User Manual


SL 1400


Dear Users,

Thank you for your purchase of SL 1400 Slit Lamp. Please take time to read our user’s manual carefully before use.

This guarantees you to make full use of this unit and prolongs the operation life of this unit.


If you have detected abnormal heat, smoke, noise or smell, immediately stop using the product.

In the event of an abnormality, turn off the power and disconnect the power plug from the power socket. Continuing to use the product may result in electric shock or fire.

Observe the instructions given below regarding the power cable:

• Be sure to use the supplied or specified power cable.

• Do not modify, forcibly bend, kink or pull the power cable.

• When disconnecting the power cable from the AC outlet, be sure to hold the cable

by the plug.

Pulling the cable may cause wire breakage or shot circuit, resulting in fire or electric


• Do not connect or disconnect the plug of the power cable to/from the AC outlet

using wet hands.

Doing so may result in electric shock.

• Do not touch the product with wet hands while the power cable is connected

to the AC outlet.

Doing so may result in electric shock.

• If the product will not be used for a long period, disconnect the power cable

from the power source. Leaving the cable connected to the power socket for

a prolonged period will consume electricity and may result in heating.


1. Name of Parts............................................................................................... 4

2. Assembly....................................................................................................... 8

3. Operation.................................................................................................... 19

4. Maintenance............................................................................................... 28

5. Common Trouble Shooting......................................................................... 35

6. Optional Photographic Attachment............................................................. 37

7. Optional Observation Tube.......................................................................... 65

8. Optional TV Accessories............................................................................. 67

9. Optional Barrier Filter.................................................................................. 68

10. Applanation Tonometer................................................................................ 69

11. 12.5x measuring eyepieces......................................................................... 70

12. Resopnsibility............................................................................................... 71

13. Transportation............................................................................................. 71

14. Specifications.............................................................................................. 72

1. Name of Parts






































1. Joystick

Incline joystick slightly to move the instrument in the horizontal plane and

rotate it to adjust the elevation of the microscope.

2. Base Locking Screw

The base will be locked when this screw is tightened.

3. Rail Cover

Protects the rail surface

4. Base

Supports the microscope and the illumination arms with the joystick controlling

its movement.

5. Work Table

6. Accessory Drawer

Stores the focusing test rod and other accessories.

7. Brightness Control Switch

Two levels are available – H (HIGH), N ( NORMAL). Avoid working continuously

at the high setting, as the service life of the bulb will be shortened.

8. Main Power Switch

9. Pilot Lamp

10. Microscope Arm Locking Knob

Prevents rotational movement of the microscope arm.

11. Angle Mark Ring

Marks on the angle mark ring of the illumination arm align to the long mark

on the microscope arm. When 0 on the ring aligns to the short mark at one

side of the user, the right eyepiece may be obstructed, and the side of the

patient the left eyepiece.

12. Chin-rest Elevation Adjustment Knob

Rotate the knob to adjust the elevation of the chinrest.

13. Location Roller

When the roller is in the middle, the included angle between the microscope

arm and the illumination arm is 0º, when it is to the right or left the included

angle is 10º.


14. Microscope and Illumination arm Coupling Bolt

Tightening this bolt permits the illumination arm and the microscope arm

to be rotated simultaneously. Loosening the bolt allows the illumination arm

and microscope arm to rotate separately.

15. Hruby Lens Guide Plate

The plate is also used for the applanation tonometer.

16. Microscope Fixation Screw

17. Chin-Rest

18. Magnification Select Dial

Five magnifications are provided.

19. Prism Boxes

The prism boxes are used to adjust the interpupillary distance.

20. 12.5x Eyepiece

Before use, adjust the diopter ring for each eyepiece to get a clear image.

21. Microscope Fixation Screw

22. Accessory Mount

The accessory mount will accept the Model R-900 Goldmann applanation

tonometer in addition to other accessories.

23. Horizontal Mark

The horizontal center of the patient’s eye is aligned to the mark by changing

the elevation of the microscope using the joystick.

24. Forehead Belt

25. Diffusion Lens

The diffusion lens is used for photographing at low magnifications and for

enlarging the field of magnification.

26. Lamp Cap

27. Aperture height and display window

28. Filter Selection Lever

There are four filter selections.


29. Aperture and Slit Height Control Knob

Rotate this knob to adjust the spot and the slit height. Turn the knob

horizontally to rotate the slit.

30. Fixation Target

An illuminated fixed spot for patient to look at.

31. Reflecting Mirror

Both long and short reflecting mirrors are provided.

The long mirror is used for most examination procedures.

The short mirror is used when the long mirror interferes with the optical path

as may happen a during funduscopy.

32. Hruby Lens

Used for observation of fundus and the posterior segment of the vitreous


33. Hruby Lens Holder

34. Centering Knob

Loosening the knob allows the illumination light to be moved from the center

of the field of vision for indirect retro-illumination. Tightening the knob brings

the illumination light back to the center.

35. Slit Width Control Knob

The slit width is continuously adjustable from 0 to 9mm.


2. Assembly

2.1 Components


























Name Quantity

A Illumination Part

B Microscope (with 10x eyepieces)

C Base Part

D Head-Rest Part

E Breath Shield

F Worktable with Power Box

G Rail Cover

H Input Power Cable

I Hruby Lens

J Hruby Lens Guide Plate

K Spare Main Illumination Bulb

L Chin-Rest Paper

M Focusing Test Rod

N Protection Cap

O Dust-Proof cover

P Fixation Target

Q Spare Long Reflecting Mirror

R Spare Short Reflecting Mirror

S Brush

T Spare Fuse

U Phillips Screw Driver with wood handle

V Watch Screw Driver (big)

W Watch Screw Driver (small)

X Spanner

(*Optionally available in some region)

























2.2 Assembly Procedure

Phillips Screwdriver with wood handle (U)

Watch screwdriver (V)

Wrench (X)


1. Selecting voltage and fuse

Fuse holder

Voltage selector

Selector voltage and fuse

• Check the setting on the voltage selector located on the bottom of the power

box. If it doesn’t match with the input voltage, slide it to the proper position

with screwdriver (V).

• Open the fuse holder with screw driver (U) and take out the fuse, ensure that

its rated value corresponds to the mains voltage:

110 Volt.....................1A

220 Volt.....................0.5A

The 220 V- 0.5 A is installed by the factory.

Important Matters

Set the input voltage and frequency of the instrument according to that of the mains.

2. Assembling the worktable (F)

• To attach the worktable on the LSL1400 motorized instrument table, please

unscrew the four M8x20mm bolts with spring washers with the wrench (X).

• Align the worktable screw hole to the assembly hole of the instrument table.


• Place the worktable so that the power panel faces the user, then refasten

the bolt securely with the wrench.

3. Assembling the Head-rest Part (D)

Head rest fixation plate

Chin rest connection board

• Remove the four screws attached to the chinrest connection board with the

screw driver (U).


Head rest fixation plate

Chin rest connection board


• Put two cables in the gap between the headrest fixation plate and the chin-

rest connection board.

• While ensuring the cables are not compressed, retighten the previously

removed screws.

4. Assembling the base part (C) and the rail covers (G)



• Place the wheels of both sides of the base (C) on the rails on the worktable

• Check whether the wheels can be rolled smoothly on the rails.

• Remove the four screws attached to the rail with the screw driver (W).

• Place the rail cover (G) to the rail and retighten the previously removed screws.


Shaft sleave

Limiting board


5. Assembling Illumination part (A)

• Loosen the illumination arm bolt (13).


• Rotate the brass shaft sleeve to make the angle of the red mark and the

illumination arm between 30º and 90º.

• Loosen the screw on the illumination arm with the screwdriver (V). Align the

assembly hole of the illumination arm to the brass shaft sleeve and lower

carefully, while simultaneously aligning the two red marks.

Illumination arm



• After the two red marks are accurately aligned, retighten the screw.

B Fixing screw

Groove Pin

6. Assembling the binocular tubes (B)

• Align the groove on the binocular tubes with the pin on the microscope body.

• Tighten the fixing screw.


7. Assembling the breath shield (E)

Important Matters

Avoid touching any lens surface while assembling the breath shield (E).

• Remove the breath shield fixation screw from the microscope arm.

• Pass the removed screw through the hole of the breath shield then re-screw

it into the arm.

Microscope arm

Breath shield

Fixing screw

8. Removing the illumination part shipping pad

• This pad is used to protect the slit mechanism of the illumination part during


• Remove the rubber band and gently pull the pad out.

Rubber band Pad


9. Connecting Plug

• Remove the sticky shipping tape from the cap. The tape ensures that the

cap is remains fastened to the lamp base during transportation.

Sticky tape

• Insert the plug on the top of the headrest part (D) into the socket of the lamp

cap (26) on the illumination part (A).

• Connect the two plugs below the headrest part with the corresponding output

sockets of the power box.

• Insert the plug of the input power cable (H) into the input socket of the power



Cable clip

• Remove the cable clips from the bottom of the worktable with screwdriver

(U) and route the output and input cables through them, then re-attach them

to the bottom of the worktable.


10. Assemble the Hruby Lens (I)

• Insert the Hruby lens ( I ) into the Hruby lens holder (26) on the headrest part.

Be careful not to touch the lens surface.

• Place the Hruby lens guide plate (J) into the main shaft hole of the base part

with the small end pointed at the headrest part.

Hruby lens



11. Assembling the chin-rest (E)

• Pull out the two fixing pins from the chinrest.


• Remove and discard the packaging for the chin-rest paper and position the


• Insert the fixing pins through the holes.


H Pin

12. Storing spare parts

Spare parts may be stored in the accessory drawer.


2.3 Inspection procedure after assembly

1. Power plug

• This instrument supplied with a 3-wire grounded line cord. Do not remove

or disconnect the ground. Please select proper power sockets and plugs

• Always ensure that the instrument is well grounded.

Important Matters

Please use the special cable supplied with this instrument.


2. The power box and the illumination part

• When the main power switch (8) of the power box is placed at “1” it turns

on, and when located at “0” it turns off. The main power switch should be

set to the “0” position before connecting the input cable with the power


• Turn on the main power switch, and the pilot lamp (9) will illuminate.

Open the slit width control knob (35) to examine the illumination.

• Press the brightness control switch (7) in each of the two positions, the

brightness should be change accordingly.

• Check the fixation target device to confirm it is lit.

• Check that all the movable parts such as aperture and slit height control knob

(29), filter selection lever (28), and magnification lever (18), etc. move freely.

• After inspection, turn off the main power and cover the instrument with the

dust cover (O).

3. Operation

3.1 Diopter compensation and pupillary distance adjustment.

1. Use of the focusing test rod (M)

Focusing test rod

Shaft holder


The focusing test rod is used to confirm that the microscope is adjusted correctly.

Insert it into the main shaft hole with the flat surface facing the objective lens in

the direction of the user.

Important Matters

After adjustment, remember to remove the rod and insert the protective cap.

2. Brightness adjustment

Turn on the main power switch and set the brightness control switch (7) at

the “N” position. Turn the slit width control knob (35) to make the slit width

between 2 and 3mm.

3. Diopter compensation

The focus of the microscope is calibrated according to the emmetropia.

If the user is ametropic, he should adjust the eyepiece diopter.

Adjustment should be performed as follows:

• Rotate the diopter adjustment ring (19) counter clockwise until it stops.

• Rotate the ring clockwise until a sharp slit image appears on the focusing

test rod.

• Adjust the other eyepiece using the same procedure.

• Record the diopter value on each eyepiece for future reference.

Diopter scale Prism box

Adjustment ring


4. Pupillary distance adjustment

Separate the prism boxes of the microscope with both hands to adjust the

pupillary distance until both eyes can stereoscopically see the same image

on the focusing test rod.

3.2 Patient position and fixation target

1. Positioning the patient’s head

Have the patient place his chin on the chin-rest (17) and the forehead against

the forehead belt (24). Adjust the chin-rest elevation adjustment knob (12)

below the chin-rest until the patient’s canthus aligns with the horizontal

mark (23).





2. Use of the fixation target

• Direct the patient to look at the fixation target (30) with the eye not to be

examined. To change the fixation position, move the lamp bar and curved

lever around the headrest.

• The fixation target with diopter compensation supplies a dot and concentric

circles target. Slide the knob to adjust the diopter compensation from – 15D

to + 10 D.


Curved level

Fixing screw

Fixaation target bar

Adjusting knob

The fixation target with the spot light is intended for the patient whose diopter

exceeds – 15D. When changing, just loosen the fixation screw, replace the fixation

target with the spot light source and tighten the fixation screw.

3.3 Base operation

1. Horizontal coarse adjustment

Keeping the joystick (1) straight up, move the base (4) to coarsely align the

microscope in the horizontal plane.

2. Vertical adjustment

Rotate the joystick to adjust the microscope’s height until it aligns with the

target. Turn the joystick clockwise to raise the microscope and counter

clockwise to lower it.

3. Horizontal fine adjustment

Tilt the joystick to make the microscope move slightly in the horizontal plan.


White watching through the eyepieces, tilt the joystick to align the microscope

at the object for a sharp image.




4. Locking the base

When finishing the adjustment, fasten the base locking screw (2) to lock the

base (4) and prevent it from sliding.

3.4 Illumination parts operation

1. Changing the slit width

Turn the slit width control knob (35) to adjust the slit width from 0 to 9mm.

The slit becomes a circle at the 9mm size.

Scale of slit width 35

2. Changing the aperture and slit height

Turn the aperture and slit height control knob (29) and 6 different circular

beams of light are available at full aperture: 9, 8, 5, 3, 1, 0.2mm diameters



With a slit image, the slit height can be changed continuously from 1 to 9mm,

which is indicated by the display window (27).



Scale 29

3. Rotating the slit image

Swing the aperture and slit height control knob (29) horizontally to revolve

the slit image at any angle from vertical to horizontal. The rotation angle scale

indicates the angle of image rotation with small divisions for 5º and large

divisions for 10º.

4. Deflecting the illumination light

Loosen the centering knob (34) and swing the slit width control knob (35)

in the shown direction, so the light spot moves away from the center of the

microscope’s field of vision.



This feature is used primarily for examination by indirect retro-illumination.

Tighten the centering knob and the slit light will return to the center of the

microscope’s field of vision.

5. Oblique Illumination

Oblique illumination is used for sectional or fundus examination by use of

a contact lens. Press down the inclination lever so that the illumination part

may inclined to 20º (5º of each division). Since the illumination part may touch

the patient’s head, operate carefully.




6. Reflecting Mirror

Both short and long reflecting mirrors are supplied with this instrument.

Use the long mirror for normal examination. When the angle between the

illumination part and the microscope is between 3º to 10º the image may

become obstructed.

The short mirror is also used when the illumination part is inclined over 10º.


Long mirrow Short mirrow

7. Filter selection

Move the filter selection lever (28) in the horizontal plane to add or remove

the four filters in the illumination path. Usually the heat absorption filter is

used so that the patient may feel more comfortable during a long examination.

No filter

Heat-absorpting filter

Grey filter

Blue filter

Red free filter

3.5 Fundus observation with the Hruby lens

In routine use, observation of the eye is limited to the area from the cornea to

the anterior portion of the vitreous body. This is because of refraction effects

of the cornea and crystalline lens. However, with the Hruby lens (I) in the front

of the microscope, the posterior part of the vitreous body and fundus can be



To use Hruby lens proceed as follows:

1. Dilate he patient’s pupil for about 20 minutes.

2. Insert the Hruby lens guide plate (15) into the main shaft hole of the illumination

arm and the microscope arm.

3. Pull out the Hruby lens holders from one side of the headrest. Move the Hruby

lens holder toward user so that it can slide freely to the left and right below

the chin-rest. Insert the lower end of Hruby lens lever into the groove on the

guide plate.

4. Focus the illumination light and the microscope on the patient’s eye.

5. Move the lever to locate the Hruby lens at the center of the field of vision and

near the patient’s eye.

6. Move the lever to focus the Hruby lens at the fundus, and then adjust the

slit height and width to reduce the unnecessary interference light in the field

of view.

7. To examine different parts, either turn the microscope and the illumination

arm or change the patient’s fixation by manipulating the fixation target.

8. If the long mirror interferes in the examination, just replace it with a short mirror.

9. After examination, move the Hruby lens back to the original position on one

side of the chin–rest.

Important Matters

Before moving the Hruby lens to the right and left, first have the patient’s head move away from the chinrest to avoid his nose touching the Hruby lens





4. Maintenance

Important Matters

Dispose of replacement parts in accordance with local regulations.

4.1 Replacing the illumination bulb

• Turn the main power switch (8) off.

• Unplug the connector on the lamp housing.

• Rotate the lamp cap (26) counter clockwise and remove it from the illumination

part (A).




• Remove the old bulb and replace it with a new one. The groove in the bulb

fixation disc should be aligned with the flange of the lamp base. Improper

alignment may cause uneven illumination.


Fixation disc


Important Matters

The bulb is hot

• Place the lamp cap in the original position and rotate it clockwise and insert

the connector.

• Turn on the main power switch and ensure that the new bulb illuminates.

4.2 Replacing the reflecting mirror

• Set the angle between the microscope and the illumination arm to exceed



• Incline the illumination arm more than 10º.

• Remove the long mirror by holding the extended surface.

• Insert new long or short reflecting mirror.

4.3 Replacing the fuse

• Turn off the main power switch (8) and unplug the power cord from the power


• Unscrew the fuse holder cover with the screw driver (U).

Fuse holder


• Remove and replace the fuse, replace the fuse cover.

• The fuse specifications are as follows:

110V 1A, 250V

220V 0,5A, 250V

Important Matters

Please select the fuse of the same type, specification and rated value.

4.4 Replacing the chin-rest paper

When the paper is exhausted, remove the pins by pulling them upward out of

the chin-rest. Install a new package of paper and replace the pins.


4.5 Adjusting the tightness of the slit width knob

If the slit width control knob is too loose, the slit width may change. Loosen the

screw on the right knob with the screw driver (W), and then hold the left knob

firmly with one hand, while rotating the right knob clockwise for tightening.



Right knob Left knob

When the desired tightness has been achieved, tighten the locking screw on

the right knob.

4.6 Adjusting the inclination of the illumination part

If the inclination mechanism of the illumination part is too loose, tighten the screws

on both sides of the pivot point with the screw driver (U).

4.7 Cleaning

1. Cleaning the lenses and mirrors

Remove any dust on the lenses or reflecting mirrors by brushing them with

the supplied brush (S). If any dust remains, remove it with soft cotton

moistened with absolute alcohol.


Important Matters

Never touch the lenses of mirrors with your fingers or any hard materials.

2. Cleaning the slide plate, rail and shaft

Wipe the dirty segment with clean soft cloth.

3. Cleaning the plastic parts

Clean the plastic parts such as the chin-rest bracket and forehead belt with

soft cloth moistened with a mild detergent or water. Disinfect patient contact

surfaces with isopropanol.



Slide plate

Important Matters

To prevent damage to surfaces do not use corrosive cleaners.

4.8 Protection of Equipment

Always ensure that the protective cap (N) is installed over the main shaft hole

during operation. This will prevent the ingress of dust and physiological fluids

that could cause improper operation. Only remove the dust cap when assembling,

disassembling, or repairing the instrument.

When not in use always cover the instrument.



4.9 Consumable Parts

Please specify names and quantities when ordering following consumable parts.

Outlook Part name

Illumination Bulb

SL 1400

Slit Lamp

Short Mirror

Long Mirror

Chin-rest paper

Fuse 1 A (110 V)

Fuse 0,5 A (220V)


5. Common Trouble Shooting

In case there is any trouble, please refer to the following table. If the equipment still doesn’t work, please contact the Repair Department or an authorized distributor.


No illumination

Slit is too dark

Fuse has blown

Possible Cause

The cable isn’t connected correctly with the power socket

The main power switch is on the “O” position

The plug on the power box is loose

The plug in the lamp cap is loose

The bulb has burned out

The fuse has blown

The bulb is not assembled properly

The filter lever is in the middle position or in the position of the gray filter

Voltage selector is wrongly set

The coating on the reflecting mirror is oxidized.

Too much dust on the reflecting surface

Voltage selector is wrongly set.


Connect the power cable correctly.

Place the switch on “1” position.

Insert the plug firmly.

Insert the plug firmly.

Change the bulb.

Change the fuse.

Assemble the bulb properly.

Set the filter lever to the correct position.

Set the voltage selector correctly.

Change the reflecting mirror.

Clean the surface with the brush.

Set the voltage selector correctly.



Slit closes automatically

Fixation target position

Possible Cause

The fuse doesn’t comply with the specification.

The slit width control knob is too loose.

The output plug is loose.


Replace it with a suitable fuse.

Adjust the tightness of the control.

Insert the output plug firmly.


6. Optional Photographic Attachment

6.1 Name of parts




47 38













37. Shutter remote button

Set the button at “S” or “T” position to open the shutter

38. F10-11 Motor drive

Advance film automatically

39. DF-300 Body

The image in the right ocular is photographed

40. Flash lamp mount

41. Photographic attachment detach/attach lever

Attaches and detaches the photographic attachment to the main body of

the slit lamp

42. Synchronizing line

43. Xenon relay cord

44. Xenon lamp

45. Photographic focusing lens mount

46. Background illumination unit

47. Background illumination selection lever

There are 3 settings: high, low, and fully occluded.

48. Photographic power supply

49. Pilot lamp

50. Main power switch

51. Charge lamp

When the power supply is completely charged, the lamp illuminates. If an

exposure is made when the lamp is not illuminated it will be underexposed.

Always check charge lamp before activating the shutter release. Charging of

the power supply takes approximately 6 seconds for 240J maximum output.

52. Flash intensity selector dial

5 flash intensities are available. Selection should not be made while the power

supply is being charged (charge lamp is off).


53. Shutter speed selector

When using the flash, the shutter speed is set at 1/30 second.

54. Frame counter

55. Manual shutter

56. Shutter speed window

57. Lens detach/attach index

58. Accessory outlet

59. Power switch of camera

60. Rewind knob

61. Rewind button

To open the back cover, lift rewind button.

62. Lens detach/attach button

63. Remote cord socket

64. Bayonet lens mount

65. Battery chamber cover

To replace the battery, use a coin or similar object to unscrew the battery

chamber. Use two 1.55 V silveroxide or two 1.5V alkaline-manganese

batteries. Ensure that the plus (+) side faces down.


54 55 56 57 58 59 60






66. Film Cartridge Chamber

67. Winder crank

When the motor drive is shut off, you can rewind the film by turning this crank.

68. Sprocket

69. Take-up spool

70. Back cover

71. Battery chamber button of the motor drive

To open the battery chamber, press buttons at both sides to remove the

cover. Use 4AA size Ca-Mn or alkaline batteries. Ensure that the batteries

are installed according to the polarity markings inside the chamber. Press














the switch at the “S” or “C” position, then the lamp illuminates. “S” means

single wind, “C” means continuous wind.

72. Fixing Screw

73. Power Indicator

74. Alarm lamp

The lamp illuminates while the film advances, after the shutter is closed.

When all frames have been exposed, the lamp will still light.

75. Rewind pushing button

76. Motor–driver switch

Turn this switch of to advance the film manually.

6.1 Components













Name Quantity

A Photographic power supply

B DF-300 Body

C F10-11 Motor–Drive

D Relay lens unit

E Beam splitter

F Special lens for photography

G Xenon lamp

H Power cable

I Xenon relay cord

J Background illumination unit

K Synchronizing line

L Xenon lamp mount

M Remote shutter line

N Spare fuse

*Assembled to the slit lamp















6.3 Assembly

These instructions describe the installation of the photographic unit for LSL 1400

for future reference.


Fuse holders

Voltage selector

Tools Required

M2 Watch screwdriver

M3 Phillips Screwdriver

1. Selecting the voltage and fuse

• Check the voltage selector on the power supply.If it doesn’t match the mains

voltage, slide it to the proper position with screw driver (V).

• Open the fuse holder with the screw driver (U), remove the fuse, and ensure

it is the correct value corresponding to the main voltage.



2. Assembling the relay lens unit (D)

• Turn off power switch (8).

• Remove the connection plug attached to the lamp house cover, turn the

cover (26) counterclockwise, and then unplug the illumination unit (A).



Unscrew the four knurled nuts from the lamp housing, remove the lamp housing

and bulb.


• Insert pins in the long screw hole, and unscrew the four screw rods.

Relay lens



• Mount the relay lens



• With the notch on the lamp house facing the user, tighten the four M3

X 10 screws.

• Insert and tighten the four previously removed screw rods into the screw

holes in relay lens unit.

• Install the lamp housing and install the knurled nut.

• Install the lamp cover on the previous position, and connect the plug.

3. Assembling the background illumination Unit (j)

• Insert the pins of the background illumination selector into their respective

mounting positions above the mirror on the illumination column.

• Insert the fiber optic light guide into the hole on the side of the relay lens unit.

Background illumination


• Tighten the set-screw on the side of the relay lens unit.




4. Assembling the Xenon relay cord (I)

Remove the four screws from the support rod portion of the chin-rest.

With the plastic clips route the cord and replace the screws. The end

connecting the Xenon relay cord must be long enough (about 40 cm) so

that the other end connects to the power supply relay cord.


Plastic clip

5. Assembling the Xenon lamp (G)

• Remove the chrome ring from the end of the Xenonoutlet. Insert the Xenon

lamp, and secure it with the chrome ring.

Ring G Xenon outlet


• Insert the Xenon lamp into the square cord in the side of the relay lens unit

(D) in the up direction so that the opening in the flash housing will be facing

the background illumination bundle.





• Mount the lamp assembly as shown. Reassemble the binocular tube and

fasten the tighten the set screw.

Fixing screw

6. Assembling the beam splitter (E)

• Loosen the fixing screws and remove the binocular head.


Fixing screw


Fixing screw

Groove Pin

• Align the pin on the microscope body with the groove on the beam splitter.

• Tighten the fixing screw to secure the beam splitter to the microscope body.

• Using the previous orders of steps, reassemble the binocular head and tighten

the fixing screw.

• When you need to split the beam, please set the joystick of the beam splitter

to the “In” position.

7. Assembling the special lens for photography (F)

• Remove the protective covers on the right of the beam splitter and on the

special lens.

Screw ring Pin


• Align the groove on the port of the lens with the pin of the beam splitter and

insert it. Tighten it with the screw ring.

• If you want to remove the special lens, reverse the order of the steps above.


8. Attaching the camera

• While pressing the lens-release button, turn the camera body counter

clockwise as far as it will go, then lift out the lens blank.

Red index



• Align the red index marks on the special lens (F) with the red mounting-release

index (57) on the camera’s body, then turn the lens clockwise until it locks

in position with a click.

• When removing the camera body, you must hold it with your hands, and

press the lens mounting-release button, turn the body counterclockwise

as far as it will go, then take it out of the mount.

9. Assembling the Motor-drive

• Set the power switch of the camera and the motor–drive to “OFF”. Insert

the guide pin at the top of the motor–drive into the guide hole on the bottom

of the camera.

Screw hole Guide hole

Guide pin



• Align the groove on the port of the lens with the pin of the beam splitter and

insert it. Tighten it with the screw ring.

• Align the clamp bolt (72) with the screw hole of the tripod at the bottom of

the camera, and fasten it.

10. Assembling the Xenon relay cord (l) and synchronizing line (K)




• Insert the Xenon relay assembly into the accessory socket (58) on top of

the camera.

• Connect one end of the synchronizing cable to the socket on the Xenon

relay assembly.

• Connect the other end of the synchronizing cable to the socket for the relay





11. Assembling the remote shutter line (M)

• Screw one end of the remote shutter line into the remote cord socket (63).

• Place the other end of the remote shutter line near the operation knob.

6.4 Inspection Procedure

1. Checking power plug

• The instrument is supplied with a 3 wire plug please select proper power

outlet matching it.

• Make sure that the power supply is properly grounded.

Important Matters

Please use the special power cable supplied with the instrument.

2. Checking the camera, motor-drive and photographic power supply.

• Check whether the batteries have been installed in the camera and the motor-


• Turn on the camera and motor–drive power switches.

• Turn on the photographic system power switch and ensure that the pilot

lamp and the charge lamp have illuminated.

• After the charge lamp illuminated, press the remote shutter button and ensure

that the Xenon lamp flashes and the motor–drive operates.

• Check the beam splitter, set the joystick at the “IN” position, so that the light

shines into the camera. Now, the image light from the lens is dim. For non-

photographic use set the joystick to the “OUT” position.

• Turn the power switches off after finishing the inspection.


6.5 Operational procedure

6.5.1 Loading film

1. Open the camera and turn the motor-drive switch on. To prevent the film

from advancing, do not touch the shutter release button.

2. Lift the rewind knob to open the camera.

3. Place film spool in chamber while keeping the rewind knob lifted.

4. Lower the rewind knob while turning it, so that film spool may be engaged

with the groove at the bottom of the rewind knob.

Rewind button Spool groove

5. Pull out the film leader and insert it in the spool groove. Engage film

perforations with sprocket teeth, then press shutter release button (37), the

film will be advanced automatically. Do not touch the shutter curtain.


Sprocket teeth


6. If manual film advance is desired, be sure to turn the motor-drive off.

7. Ensure that film is not slack and spool is in place, if it isn’t, turn rewind crank

clockwise until it stops, correctly tensioning the film, and repeat steps 5 and 6.

8. Make sure that the film is taut and then close the camera back cover.

9. If the rewind crank turns counterclockwise each time film is advanced, the

film is correctly loaded. If not, repeat film loading procedures as the perforations

may not have engaged with the sprocket teeth.



When film is loaded, frame counter (54) will be illuminated. This is useful to check

the numbers of exposed frames in the order S, 1, 2, --36, and E. Release shutter

(55) until frame counter shows “1”.

6.5.2 Photographic magnification and field of view

• The following table lists the relation between microscope magnification and

photographic magnification.

• The field of view show in the ocular is synchronous with the field of


Photographic field

(24mm x 36mm)

Vision field



Important Matters

In view of the low magnification at 6X, photography is not recommended due to insufficient magnification and insufficient illuminated range.








Photographic magnification


1.0 X




6.5.3 Exposure Setting

Determination suitable exposure values is based on the following:

• What portion of the eye is to be photographed and what magnification ratio

is to be used.

• Which of the illumination systems is being used: slit illumination, slit and

background illumination, or diffusion lens illumination.

• Xenon lamp intensity

• The table on the next page lists the values for a normal eye with a brown

iris when using ASA 200 film.

• In actual use, the photography conditions vary according to the situation.

For instance, in many situations the subject may have an abnormal eye, the

iris color may not be brown, the slit illumination width may be different, and

the area to be photographed may be different. Calculate suitable exposure

value for the patient based on the table on the next page.


Photographic Magnification

(microscope magnification)

Cornea Crystalline lens (Slit width 0.1 mm)

Anterior portion Background Illumination H


Diffusion lens illumination

Iris Full Slit Aperture Illumination (9mm)



Diffusion lens illumination

Background illumination H

Diffusion lens illumination
























Important Matters

The gray areas in the table indicate that the photographic combination of conditions is not suitable.

6.5.4 Precautions for photography

Once the area to be photographed and the exposure setting are determined,

focus the image and press the shutter release button. Simultaneously the Xenon

lamp flashes. After the exposure, the motor– drive automatically advances the

film frame.

• When photographing the cornea or lens use background illumination settings

are as follows:

- H - Maximum background illumination is provided to entire area in the

photographic frame.

- L - Background illumination is approximately half of the “H” setting

- O- (Fully occluded) only the slit image will appear on the picture.

• When doing anterior photography of the iris and conjunctiva, focus by widening

the slit. Once the area to be photographed is properly focused, return the

slit to the original size and activate the shutter.


• When the diffusion lens is being used set the slit size to full aperture (9mm)

and set the background illumination setting to the occluded position.

6.5.5 Precautions

• Set the joystick of the full frame attachment at the “IN” position.

• Failure to correctly adjust the diopter setting of the oculars may result in out

of focus photographs.

• Always ensure that the charge lamp is illuminated before pressing the shutter

release. Charge time is approximately 6 seconds.

Alarm light


• Only the image from the right ocular is used for photography, therefore carry

out the alignment and focusing using only the right ocular.

• When the microscope and the illumination arm are placed in a straight line

(0) the picture may be obstructed and a shadow may be caused by the long

mirror, shaft or, diffusion lens.

• Avoid changing the flash intensity selection when the Xenon lamp is activated

or when the power supply is being charged.

• Always check the number of available frames, when all frames have been

exposed, the alarm lamp will illuminate. Turn the motor-drive switch (76) off,

rewind the film and then remove the exposed films.


6.5.6 Removing the film

Important Matters

If the film sprocket holes are damaged, the film may not advance. Multiple exposures may be made on the same frame.

• The alarm lamp lights when the film is exhausted. Turn motor–drive switch

off, and check film frame number. When frame counter shows the last frame

(usually 24 or 36), film advancement will stop.

76 75

• Push the rewind button up (75).

• Raise rewind crank and turn it clockwise until the film rewinds into the film


• Pull the rewind knob up and open the back cover. Note that the frame counter

returns to “S”.

• Remove the film.


3. Background illumination

High intensity

(Move to the right end)

Low intensity

(Click at the center)


(Move to the left end)

• When using slit photography, the background illumination unit provides

3 settings:

Low, High intensity and, Occluded.

• If the illumination is used while the background illumination is in its normal

position, ensure the background illumination unit doesn’t come in contact

with either the lens or the finger supporting the lens.

• To incline the illumination unit, pull out the background illumination unit, insert

the pin in the side of the hole.


• In the inclined illumination setting, the background illumination will be directed

onto the reflection mirror. Therefore the object will not be illuminated by the


• When using background illumination, there is no influence on the observed

image. Only the slit illumination will influence the observed image.

Background illumination


6.5.7 Diffusion Lens

• When using the diffusion lens, place it in front of the reflection mirror. If it is

not being used, remove it from the optical path.

Using Not using

Important Matters

When using the diffusion lens, ensure there is an approximate 30º angle between the microscope arm and illumination unit. If this is not done, some of the pictures may be shaded because the diffusion lens or illumination support shaft is in the optical path.


• When using diffusion lens, set the slit size to the full aperture setting, otherwise

the illumination intensity will be reduced. At the same time, occlude the

background illumination.

6.6 Maintenance

6.6.1 Replacing the Xenon lamp

If the Xenon lamp becomes discolored or sufficient light for photography is not

provided, replace the Xenon lamp as follows:

• Turn off the power switch (50).

Fixing screw



Xenon outlet

Side hole

• Loosen the locking screw at the side of the relay lens unit and pull out the

Xenon lamp.

• Remove the chrome ring from the end of the Xenon outlet. Insert the Xenon

lamp, and secure it with the chrome ring.

Ring G Xenon outlet

• Replace the locking screw and lamp assemble at its original location.


• Do not touch the glass tube on Xenon lamp. Any foreign matter on the lamp

such as fingerprints will result in the cloudiness that will shorten its service life.

6.6.2 Replacing the fuse

• Turn off the power switch (50), remove the power cable (H) from the input


• Remove the fuse holder with the screw driver (U) and take out the fuse.

• Replace it with a new fuse, then retighten the fuse holder.

Important Matters

Use the correct size fuse as follows

Fuse holders

Voltage selector

110V/125 V T3.15A

220V/250 V T1.6A

6.6.3 Consumables

When ordering the following consumables, please specify names and quantities.


SL 1400

Slit Lamp

Part name

Xenon lamp

Fuse T3.15A (110 V)

Fuse T1.6A (220 V)


• When using diffusion lens, set the slit size to the full aperture setting, otherwise

the illumination intensity will be reduced. At the same time, occlude the

background illumination.

6.6 Maintenance

6.6.1 Replacing the Xenon lamp

If any dust settles on the components of the optical system, remove them using

the supplied brush. If any dust still remains, wipe it off using a soft cotton moistened

with pure alcohol. Never use a finger or any hard object for cleaning.

6.6.4 Cleaning the optical system

Remove any dust on the lenses or reflecting mirrors by brushing them with the

supplied brush. If any dust remains, remove it with soft cotton moistened with

absolute alcohol.

Important Matters

Never touch the lenses or mirrors with your fingers or any hard materials.

6.6.5 Trouble shooting guide

In case there is any trouble, please refer to the following table. If the equipment

still doesn’t work, please contact the Repair Department or an authorized




Shutter does not open

No Xenon lamp flash

Motor–drive does not operate

Photographs are underexposed

Possible Cause

Power switch on the camera is “OFF”

Motor–Drive switch is ”OFF”

Batteries in camera are dead

Batteries in motor–drive are dead

Shutter release button set wrong

Service life of Xenon lamp is over

Shutter was released before the charging cycle was completed

Synchronizing line is not connected

Motor drive switch is “OFF”

All film frames are exposed

Shutter speed is too fast

Xenon lamp is cloudy

Xenon lamp isn’t properly installed

Filter is set to use the ND filter (except when using direct or diffusion illumination)


Turn power switch “ON”

Turn motor–drive switch “ON”

Replace batteries

Replace batteries

Set shutter release button “S”

Replace Xenon lamp

Wait for the charge lamp to illuminate

Connect the synchronization line

Turn motor-drive switch


Rewind and remove exposed film

Set the speed at 1/30 second

Replace Xenon lamp

Check the direction in which the lamp is inserted

Set the filter lever to the correct position



Photograph is out of focus

Shadows appear on the picture

No image on picture

Possible Cause

Slit size is not set at full aperture, (except when using direct diffusion illumination)

Charging cycle is not completed

Selection lever for background illumination is out of position

Flash intensity set wrong

Film doesn’t match photo sensitivity

Incorrect diopter setting on eyepiece

Observation and focusing are made using left eye

Foreign material on the lens surface

Shaft of illumination unit, reflecting mirror, and/or diffusion lens obstructing the optical path

Full frame attachment is set “OUT”

Film is not loaded correctly


Set the filter lever to full aperture (9mm)

Wait until charge lamp illuminates

Select the correct position

Set the intensity properly

Select ASA200 film

Correct the diopter compensation

Use right eye for observation and focusing

Clean the lens surface

Check the position of this unit

Set it at “IN”

Load film correctly


6.6.6 Specifications

Optical axis for photography

Photographic magnifications



Background illumination

Light for photograph

Input Voltage


Flash power

Time for charging

Maximum input power

Right ocular pathway

0.6X, 1.0X, 2.5X, 4.0X

SEAGULL DF-300 35 mm


Light guide illumination 3 – setting

Pulse Xenon Lamp

110/220 V + 10%

50/60Hz + 1 Hz

23J, 47J, 78J, 140J, 240J

<6 seconds

500 VA

7. Optional Observation Tube

7.1 Features

• The same image can be observed from observation tube as from main tube.

• The observation tube can be attached to either side of the slit lamp.

• The observation tube may be used with the camera.

• An image rotator is built into the eyepiece to provide the co-observer with

a correctly oriented image.


Locking ring Flitting ring


7.2 Specifications

Eyepiece: 12.5X

Magnification: 6X, 10X, 16X, 25X, and 40X

Beam splitting proportion: 50:50

Image rotation angle: 360º

7.3 Assembly

• Attach the beam splitter (Refer to page 24)

• Remove the protective cover from the observation tube.

• Match the teeth on the beam splitter with the grooves on the observation

tube and insert the observation tube securely in position.

• Rotate the ring to lock it in place.

7.4 Use Instruction

• The tube can be set to a position convenient to the co-observer by raising

the locking ring. The tube will rotate 360º along its mounting axis.

• After adjustment, release the locking ring.


TV camera Locking ring


Relay lens

8. Optional TV Accessories

8.5 Features

• Provides demonstration ability to a large audiences

• Allows images to be placed on videotapes

8.6 Specifications

Observation Mag.







TV relay Mag.






TV Field of View

21.75 X 29.0

13.9 X 18.56

8.7 X 11.6

5.44 X 7.25

3.68 X 4.64


Recommended TV camera size


Continuously variable

1/3 inch

C-mount, Canon YC-05II


8.7 Setup

Adjust the diopter of the eyepieces.

8.8 Assembly

• Attach beam splitter (Refer to page 25)

• Remove the protective covers in both sides of the relay lens.

• Align the teeth on the beam splitter to the grooves on the relay lens, insert

the relay lens securely, rotate the locking ring to secure the beam splitter.

TV camera

TV mount

Locking ring

• Loosen the locking ring on the relay lens, and remove the TV mount.

• Attach the TV mount to the TV camera.

• Insert the TV camera and mount into the relay lens, with the camera base

facing you lock it with a locking ring.

9. Optional Barrier Filter

9.1 Features

• Provides a high contrast image


• Provides ability to observe and photograph the anterior section of the eye

using fluorescence


Fixing screw

9.2 Specification

Separation wavelength: 520nm

9.3 Assembly

• Use set screws to mount the barrier filter.

9.4 How to use

• Rotate the eyepiece adjustment ring and adjust the diopter compensation.

• Set the beam splitter lever to “IN”.

• Proper exposure will depend on the magnification and the subject, make

adjustments as necessary to the illumination with the aperture lever of the

relay lens and the brightness control switch of the power supply unit.

• Apply fluorescent agent to the patient’s eye.

• Insert a blue filter

10. Applanation Tonometer

The LSL 1400 slit lamp can be equipped with YZ30R, Haag-Streit AG Model

R-900 or model T-900 applanation tonometer for measuring intraocular pressure.


• Loosen the locking ring on the relay lens, and remove the TV mount.

• Attach the TV mount to the TV camera.

• Insert the TV camera and mount into the relay lens, with the camera base

facing you lock it with a locking ring.

11. 12.5x measuring eyepieces

11.1 Features

You may replace the standard eyepieces the optional eyepieces that include reticles for measurement of length and angle.


11.2 Specifications

• Scale specification

Length scale

Angle scale

• Measuring parameters

Length scale

Diopter compensation

Angle scale

16mm (0.5mm graduations)

360º (5º graduations)

To be used at 10x only

-5D to +3D

No limitation

12. Responsibility

We will supply the circuit diagram, electrical component list, drawing annotation

and calibration instructions according to each customer’s needs. If additional

information is required please contact us.

13. Transportation

During transportation, the instrument must be protected it from moisture and

strong vibrations. Do not transport the instrument upside down. Relative humidity

should be maintained between 10 to 90% RH. Temperature should be maintained

between -25ºC and 40ºC. This instrument should be stored in a well ventilated

room free of corrosive gasses where the relative humidity is between 10 to 80%

RH and the temperature is between -10ºC to 40 ºC. If the assembled instrument

is to be moved or transported a short distance, please lock all the moveable parts.

Move the instrument carefully. If the instrument is to be moved a long distance

it must be repacked in its original packaging.


14. Specifications



Model of magnifying


Total magnification

Field of view

Range of PD adjustment

Diopter adjustment


Slit projection magnification

Slit width

Slit height

Aperture diameter

Slit angle

Slit inclination

Filter piece

Illumination bulb

Galileo, magnification changer with stereoscopic head

5 steps via ring rotation


6X, 10X, 16X, 25X, 40X

(33mm)(22.5mm)(14mm)(0.8mm) (5.5mm)

55mm to 75 mm


2/3X continuous from 0mm to 9 mm.

(at 9 mm, slit becomes a circle) continuous from 1 to 8 mm

9mm, 8mm, 5mm, 3mm, 2mm, 1mm, 0,2mm

0º to 180º continuously adjustable from vertical to horizontal

5º,10º,15º,20º (four steps)

Heat absorption, gray, red-free, and blue

12V30W halogen bulb


Movement base

Fore and back movement

Left and right movement

Fine movement

Vertical movement

Chin – rest parts

Vertical movement

Fixation target

Hruby Len

Hruby Lens

Power source

Input voltage

Input frequency

Input power

Output voltage

Electreical safety standard

Dimension and Weight

Packing box

Total weight

Net weight






Red Led

-58.7D (optionally available in some regions )

100/220V + 10%

50/60 Hz +/- 1 Hz

58 VA

Illumination bulb 7.2V, 9.8V, 11.6V

Fixation target : 7.2V

Conform to Standard IEC601- 1, Class I Type B

720mm x 495 mm x 480mm

24 Kg

21 Kg


LUXVISION is not responsible or liable for indirect, special or consequential damages arising out of or in connection with the use or performance of the product or damages with respect to any economic loss, loss of property, loss of revenues or profits, loss of enjoyment or use, costs of removal or installation or other consequential damages of whatsoever nature. Some states do not allow the exclusion or limitation of incidental or consequential damages. Accordingly, the above limitation may not apply to you.

Every effort has been made to ensure the accuracy of this manual. However, LUXVISION, makes no warranties with respect to the documentation and disclaims any implied warranties of merchantability and fitness for a particular purpose. LUXVISION, Inc. shall not be liable for any errors or for incidental or consequential damages in connection with the furnishing, performance, or use of this manual or the examples herein. The information in this document is subject to change without notice.


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