EF70-300mm f/4-5.6 IS USM

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Instruction

Thank you for purchasing a Canon product.

Dedicated to EOS cameras, the Canon EF70-

300mm f/4-5.6 IS USM lens is a highperformance telephoto zoom lens equipped with an Image Stabilizer.

¡ “IS” stands for Image Stabilizer.

¡ “USM” stands for Ultrasonic Motor.

Features

1. The Image Stabilizer gives the equivalent effect of a shutter speed three stops faster*.

The lens also has a second image stabilizer mode that is optimized for following shots of moving subjects.

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3. The zoom ring can be fixed to keep the lens at the shortest point.

4. Ultrasonic motor (USM) for quick and quiet

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5. A truly round aperture hole results in a nicer background blur.

Conventions used in this instruction

* Based on [1/focal length] second. Generally, it requires a shutter speed [1/focal length] second or faster to prevent camera shake.

Warning to prevent lens or camera malfunction or damage.

Supplementary notes on using the lens and taking pictures.

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a Safety Precautions a Safety Precautions

• Do not look at the sun or a bright light source through the lens or camera.

Doing so could result in loss of vision. Looking at the sun directly through the lens is especially hazardous.

• Whether it is attached to the camera or not, do not leave the lens under the sun without the lens cap attached.

This is to prevent the lens from

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Do not make any changes or modifications to the equipment unless otherwise specified in the instructions. If such changes or modifications should be made, you could be required to stop operation of the equipment.

This equipment has been tested and found to comply with the concentrating the sun’s rays, which could cause a fire.

limits for a class B digital device, pursuant to part 15 of the FCC

Rules. These limits are designed to provide reasonable protection

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Handling Cautions

• If the lens is taken from a cold environment into lens surface and internal parts.

To prevent

COP condensation in this case, first put the lens into an airtight plastic bag before taking it from a cold to instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is warm environment. Then take out the lens after it has warmed gradually. Do the same when taking the lens from a warm environment into a cold one.

• Do not leave the lens in excessive heat such as in a car in direct sunlight.

High temperatures can cause the lens to malfunction.

encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Consult the dealer or an experienced radio/TV technician for help.

This Class B digital apparatus complies with Canadian ICES-003.

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Nomenclature

Image stabilizer mode selector switch (

→

7)

Hood mount ( → 5)

Filter mounting thread ( → 10)

Focusing ring (

→

4)

Zoom ring (

→

5)

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Zoom position index ( → 5)

Focus mode switch ( → 4)

Contacts

( → 4)

Image stabilizer switch ( → 7)

Lens mount index ( → 4)

For detailed information, reference page numbers are provided in parentheses (

→

**).

Zoom ring lock lever ( → 6)

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1. Mounting and Detaching the Lens

See your camera’s instructions for details on mounting and detaching the lens.

2. Setting the Focus Mode

¡ After detaching the lens, place the lens with the rear end up to prevent the lens surface and

To shoot in autofocus (AF) mode, set the focus Y may not operate properly.

mode switch to MF, and focus by turning the electrical contacts from getting scratched.

¡ If the contacts get soiled, scratched, or have fingerprints on them, corrosion or faulty connections can result. The camera and lens

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Do not touch the rotating parts of the lens while

¡ If the contacts get soiled or have fingerprints on focusing ring.

autofocus is active.

¡ Do not adjust focus manually when the focus mode switch is set to AF.

them, clean them with a soft cloth.

¡ If you remove the lens, cover it with the dust cap. To attach it properly, align the lens mount index and the K index of the dust cap as shown in the diagram, and turn clockwise. To remove it, reverse the order.

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3. Hood (Sold separately) 4. Zooming

The ET-65B hood can keep unwanted light out of the lens, and also protects the front of the lens from rain, snow, and dust.

Attach and align the hood to the hood mount on the front of the lens, and turn the hood as shown by the arrow to secure it.

The hood can be reverse-mounted on the lens the focus.

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To zoom, turn the lens’ zoom ring.

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Changing the zoom ring after focusing can affect

¡ The front end of the lens rotates, so hold it when attaching the hood.

¡ Part of the picture may be blocked if the hood is not attached properly.

¡ When attaching or detaching the hood, grasp the base of the hood to turn it. To prevent deformation, do not grasp the rim of the hood to turn it.

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5. Fixing the Zoom Ring

The zoom ring can be fixed to keep the lens at the shortest point. This function is convenient for carrying a camera on a strap because it prevents the lens from extending.

1

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Turn the zoom ring to the widest position

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2

Slide the zoom ring lock lever in the direction indicated by the arrow.

¡ To release the zoom ring, slide the zoom ring lock lever in the direction opposite to the arrow.

The zoom ring can only be locked at maximum wide angle.

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6. Image Stabilizer

You can use the image stabilizer in AF or MF mode.

1

Set the STABILIZER switch to .

¡ If you are not going to use the image stabilizer function, set the switch to

.

2

Select the stabilizer

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mode.

¡ MODE 1: Corrects vibrations in all COP effective for shooting still subjects.

¡ MODE 2: It compensates for vertical camera shake during following shots in a horizontal direction, and compensates for horizontal camera shake during following shots in a vertical direction.

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When you press the shutter button halfway, the Image Stabilizer will start operating.

¡ Make sure the image in the viewfinder is stable, then press the shutter button the rest of the way down to take the picture.

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7. Tips on Using the Image Stabilizer

The image stabilizer in this lens is effective for hand-held shots under the following conditions.

● MODE 1 ● MODE 2

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¡ In semi-darkened areas such as indoors or

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¡ When panning subjects in motion.

¡ In locations where flash photography is prohibited, such as art museums and theater stages.

¡ In situations where your footing is uncertain.

¡ In situations where fast shutter settings cannot be used.

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Tips on Using the Image Stabilizer

¡ The Image Stabilizer cannot compensate for a blurred shot caused by a subject that moved.

¡ Set the STABILIZER switch to when you are taking pictures using the Bulb setting (long exposures). If the

¡ With the EOS-1V/HS, 3, 30/33/Elan7/7E,

30V/33V/Elan7N/7NE, Elan ll/Elan ll

E/50/50 E, 300/Rebel2000, IX, and D30, the Image Stabilizer will not work during self-timer operation.

STABILIZER switch is set to , the image stabilizer function may introduce errors.

¡ The Image Stabilizer might not be fully effective in the following cases:

• You shoot while riding on a bumpy road.

• You move the camera dramatically for a panning shot in Mode 1.

• You shoot using techniques other than following shots in Mode 2.

¡ The Image Stabilizer consumes more

¡ When you use a tripod, the Image

¡

Stabilizer should be turned off to save Y

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The image stabilizer function also operates when the lens is used with an

Extension Tube EF12 ll or EF25 ll.

¡ Pictures may look distorted after being power than normal shooting, so fewer taken depending on the camera, but this shots can be taken if you use the doesn't affect shooting.

function.

¡ If you set the camera’s Custom Function ¡ The image stabilizer operates for about to change the assigned button to operate two seconds even when your finger is off the AF, the Image Stabilizer will operate the shutter button. Do not remove the lens when you press the newly assigned AF while the stabilizer is in operation. This will cause a malfunction.

button.

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8. Filters (Sold separately) 9. Extension Tubes

(Sold separately)

You can attach filters to the filter mounting thread on the front of the lens.

¡ The front end of the lens rotates, so hold it when attaching the filter.

¡ Only one filter may be attached.

¡ If you need a polarizing filter, use the Canon

Circular Polarizing Filter (58mm).

¡ To adjust the polarizing filter, first remove the lens hood.

You can attach Extension Tube EF12 II or EF25

II for magnified shots. The shooting distance and magnification are shown below.

Camera-to-Subject

Distance (mm)

Far Near

EF12 II

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EF25 II

70mm 584

300mm 1361

70mm 420

300mm 1254

638

7629

428

3890

Magnification

Near Far

0.22

×

0.17

×

0.32

× 0.04

×

0.40

× 0.38

×

0.39

× 0.09

×

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10. Close-up Lenses

(Sold separately)

Attaching a 250D or 500D (58mm) Close-up

Lens enables close-up photography.

The magnification will be as follows:

¡ Close-up Lens 250D:

Can be used at the 70mm end (magnification

0.29x - 0.38x)

¡ Close-up Lens 500D:

Can be used (magnification 0.14x - 0.90x)

Manual focusing is recommended for accurate focusing.

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Specifications

Focal Length/Aperture

Lens Construction

Minimum Aperture

Angle of View

Min. Focusing Distance

Max. Magnification

Field of View

Filter Diameter

Max. Diameter and Length

Weight

Hood / Lens Cap / Case

Hood

Lens Cap

Case

70-300 mm f/4-5.6

10 groups, 15 elements f/32-45

Diagonal: 34° - 8° 15’ Vertical: 19° 30’ - 4° 35’ Horizontal: 29° - 6° 50’

1.5 m/4.9 ft.

0.26 × (at 300 mm) approx. 394

× 596 mm - 92 × 136 mm/15.5 × 23.5 inch - 3.6 × 5.4 inch (at 1.5 m)

58 mm/2.3 inch

76.5

× 142.8 mm/3.0 × 5.6 inch

630 g/22.2 oz

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ET-65B

E-58U/E-58 II

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LP1222

¡ The lens length is measured from the mount surface to the front end of the lens. Add 21.5 mm to include the

E-58U lens cap and dust cap, and 24.2 mm for the E-58 II.

¡ The size and weight listed are for the lens only, except as indicated.

¡ The EF1.4X II/EF2X II extenders cannot be used with this lens.

¡ Aperture settings are specified on the camera. The camera automatically compensates for variations in the aperture setting when the camera is zoomed in or out.

¡ All data listed is measured according to Canon standards.

¡ Product specifications and appearance are subject to change without notice.

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CT1-8519-004 0812Ni © CANON INC. 2005