L3C95 All Light Level Camera User Manual

L3C95 All Light Level Camera User Manual
L3C95 All Light Level Camera User Manual
© e2v technologies 2005
http://l3vision.e2v.com
1.Contents
1
2
2.1
2.2
3
3.1
3.1.1
3.1.2
3.2
3.2.1
3.3
3.3.1
3.3.1.1
3.4
3.4.1
3.4.2
3.5
3.5.1
3.5.2
3.5.3
3.5.4
4
4.1
4.2
4.2.1
4.2.2
4.3
4.3.1
4.3.2
4.4
4.4.1
4.4.2
4.4.3
4.4.3.1
4.4.3.2
4.4.3.3
4.4.4
4.4.5
4.4.6
4.5
4.5.1
4.5.2
4.5.3
4.6
4.7
4.7.1
4.7.2
5
5.1
6
6.1
6.2
6.2.1
6.2.2
6.3
6.4
7
8
Contents
Statutory and Regulatory
Safety Compliance
EMC Compliance
Commissioning and Installation
General Recommendations
Operating Temperature Range
Operating in Humid Environments
Choosing a Power Supply
Power consumption
Choosing a Lens
Using an Auto-iris Lens
Gain Defeat
Installing the Camera GUI Software
Camera Control GUI
On-Screen Display
Camera I/O
Using the USB port
Using the RS232 port
Using the Camera Syncs port
Using the Analogue Video port
Camera Features
Temperature Control
Automatic Level Control
Peak response
Average Response
Manual Gain Control
CCD Gain
Camera Gain
Image Enhancement
Temporal Filtering
Spatial Filtering
Extended Integration
Internal
External A
External B
Post Filter Gain
Back-light Compensation
Gamma Correction
User Settings
Saving settings
Loading settings
System Reference
Recording / Playback of images
Tape Transport Control Features
Recording
Playback
Optional Features
LCP Shutter
Appendices
Camera Block Diagram
Functional Description
Data path
Camera Timing
Auto-iris Set-up Procedure
Command Structure
Glossary
Contacts
1
2
2
2
3
3
3
3
3
3
4
4
4
4
4
5
5
5
5
5
5
6
6
6
7
7
7
7
7
8
8
8
8
9
9
9
10
10
10
10
10
10
10
11
11
11
11
12
12
13
13
13
13
14
14
14
15
16
2.Statutory and Regulatory
2.1 Safety Compliance
When operating the Camera within the European Economic Area (EEA),
Australia and New Zealand it is the user/system integrator’s responsibility to
ensure that they select an appropriate Class 1 ac/dc power supply which
conforms to local electrical safety regulations. This will ensure the electrical
safety of the L3C95 All Light Level Camera during its operation.
When operating the Camera within United States Of America, Canada and
Japan it is the user/system integrator’s responsibility to ensure that they
select an appropriate Class 2 ac/dc power supply that conforms to local
electrical safety regulations. This will ensure the electrical safety of the
L3C95 All Light Level Camera during its operation.
2.2 EMC Compliance
When used with a suitable class 1 power
supply within the European Economic Area
(EEA) the L3C95 All Light Level Camera meets
the requirements of the Electromagnetic
Compatibility (EMC) Directive 89/336/EEC as
amended by 91/31/EEC and 93/68/EEC, by
compliance with EN61000-6-2 and EN61000-6-3.
When used with a suitable class 1 power
supply in Australia and New Zealand, this
device complies with AS/NZ 3548.
When used with a suitable class 2 ac/dc power
supply the L3C95 All Light Level Camera conforms
to FCC CFR 47 part B emissions requirements
for use in United States Of America.
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.
When used with a suitable class 2 ac/dc
power supply the L3C95 All Light Level
Camera meets the requirements of ICES-003
for use within Canada.
The Camera meets the requirements of VCCI
for interference by Information Technology
Equipment (ITE):2001 when used with a
suitable class 2 ac/dc power supply within Japan.
2
3.Commissioning and Installation
3.1 General Recommendations
3.1.1 Operating Temperature Range
3.2 Choosing a Power Supply
The Camera is generally designed for use
in the range –20 to +40 degrees C. However,
if the LCP shutter option (-S) has been
specified the performance is limited to
+15 to +40 degrees C.
The Camera is designed to operate with an external dc supply in the
range 10 to 16 volts. For operation of the Camera within the European
Economic Area (EEA), Australia and New Zealand, e2v technologies
recommends that the Camera is powered via a class 1 power
supply with a 12Vdc output. The user should ensure that the
secondary side of the class 1 power supply has the 0Vdc terminal
connected to an electrical earth. Connection to the Camera is made
via an HR10 connector (see Wiring Details below).
Power consumption varies significantly
with ambient temperature. Therefore it is
recommended that, wherever possible, the
user provide a low impedance heat path
from the base to a cold sink.
3.1.2 Operating in
Humid Environments
External air is drawn through the base
of the Camera, primarily to provide for
extraction of heat from the CCD. So far as
possible this airflow is contained within
the base, and electronic circuits within the
Camera are conformally coated. However,
it is recommended that the user take
steps to prevent warm, moist air being
drawn into the Camera, thus reducing the
risk of condensation being formed.
For use within the United States Of America, Canada and Japan, e2v
technologies recommends that the Camera is powered via a class 2
power supply with a 12Vdc output. Connection to the Camera is made
via an HR10 connector (see Wiring Details below).
It is the user/system integrator’s responsibility to ensure that the
Camera is powered as per e2v technologies recommendations. Failure
to do so will nullify the EMC certification for the Camera. In such cases
it is the user/system integrator’s responsibility to ensure that their
installation meets current EMC regulations for such an installation.
Wiring Details (HR10)
1.2
3.4
+12 volt
OV return
CAUTION: The Camera is protected against reverse connection, but if
this should occur it will be necessary to replace an internal fuse.
NOTE: The Camera is supplied with a clip-on ferrite bead and a cable
tie. The bead MUST be fitted around the power cable close to the
HR10 connector, and it should be kept in position with the cable tie.
3.2.1 Power Consumption
In order to obtain optimum performance from the Camera, over
a wide temperature range, the CCD sensor is cooled with a
Thermo-Electric Cooler (TEC). The Camera electronics monitors
the CCD temperature and aims to maintain it at a fixed value
entered in the Camera set-up Menu (see Camera set-up). Therefore,
power consumption will vary between 6W and 12W depending upon
the ambient temperature. When the Camera is first switched-on the
cooling circuit will demand maximum power until the CCD
temperature is stabilised, therefore the user should ensure the power
supply is capable of starting normally with maximum demand.
3
Commissioning and Installation
3.3 Choosing a Lens
3.3.1.1 Gain Defeat
The CCD sensor is nominally compliant with
a 1” format. The image diagonal is actually
14.4 mm, so if the Camera is used as a
replacement for an existing 18mm intensifier
the Field of View will be slightly reduced.
The Camera includes a gain defeat feature that allows CCD gain to be
temporarily inhibited whilst the auto-iris lens level Control is set-up.
To ensure optimum stability it is recommended that the lens is
adjusted in accordance with the procedure defined in Appendix 6.3.
For optimum low-light sensitivity a lens
with an aperture F1.4 or better is preferred,
however the high gain available from the
CCD does mean that long-range lenses
with higher F numbers may be used in
applications where ultimate low-light
performance is not essential.
3.4 Installing the Camera GUI Software
Since the CCD is sensitive to illumination
in the near-IR region, a lens with chromatic
correction in this region is preferred. A
conventional TV lens may be used, but it
will be necessary to adjust focus between
day and night conditions.
In applications where a suitable lens is not
available in 1” format it is permissible to
use a 23 ” format lens with a range extender.
In this case Camera sensitivity will be
reduced according to the degree of
range extension.
The Camera is supplied with a Control GUI, which can be located on
the CD supplied with the Camera. Place the CD in the PC CD-ROM
drive and follow installation instructions.
Note: It is recommended that any other programmes are closed
during installation.
After installation the GUI may be launched via the Icon installed on
the PC Desktop.
3.4.1 Camera Control GUI
The Camera Control GUI allows the user to adjust certain Camera
parameters and, if a USB2.0 connection is available, will also allow
display and storage of video sequences from the Camera. When
the GUI is launched, the PC should present a window like the
image below:
CAUTION:
The Camera has been designed to
accommodate lenses where the rear
element projects no more than 7mm
beyond the C-mount reference flange. Some
very wide-angle lenses may violate this limit,
and attempts to fit such a lens to the Camera
will result in damage to the LCP shutter or
the input window.
3.3.1 Using an Auto-iris lens
The Camera has been designed to provide
fully-automatic 24 hour operation when used
with a T350, spotted auto-iris lens, having
Video drive. It is strongly recommended that
the lens is driven only from the Camera autoiris output, since any other implementation is
likely to interact adversely with the CCD gain
control function.
When a Camera is connected the status bar at the bottom of the
window indicates the type of interface currently detected, e.g. USB1.1,
USB2.0, or RS232. Otherwise it will report “No Camera connected”.
Camera Type and Serial No. are also reported.
Camera features are described in the following sections of
this document.
4
Commissioning and Installation
3.4.2 On-Screen Display
The Camera GUI will open with a Video
Display window and access to all of the
control features. Once the Camera has been
adjusted as required the Video window may
be expanded to full-screen (800 x 600
mode) to allow more detail to be observed.
The brightness and contrast controls adjust
the on-screen display only. They have no
effect on the captured image data.
Note:
Users should be aware that the CCD has
been designed to simultaneously comply
with both 1” optical format and two
different TV timing standards. This means
that some adjustments are required when
displaying the EIA images on a PC monitor.
These adjustments have been included in
the design of the Camera GUI.
CAUTION:
If the EIA data is used directly in any other
PC application displayed images will be
distorted. In order to obtain an undistorted
image it will be necessary to stretch the
image vertically by a factor 1.18, and display
two successive fields as a progressive scan
image. CCIR images will be displayed
correctly if two successive fields are used to
create a progressive scan display.
The data stream contains sync codes, which
identify Field and Line number. It is
important that these are interlaced correctly
when generating the progressive scan image
in the PC.
3.5 Camera I/O
A Camera Control GUI is supplied. If this feature is required, the
GUI must be installed on a PC running Windows 2000 or XP.
The user may also generate control commands within their own
application. The Command structure is defined in Appendix 6.4.
When the Camera is connected to a suitable PC and the Camera
GUI is active, the Camera will automatically identify itself and, if
a USB2.0 link is available, will initiate transfer of Video images
to the PC at 50Hz (06) or 60Hz (05) field rate.
The e2v technologies Vendor ID is 0FD3H.
Product ID is 0400H for CCIR, and 0401H for EIA.
3.5.2 Using the RS232 port
The RS232 port is provided to allow control of the Camera in
circumstances where the user either does not have access to a USB
port, or where the PC is located at a greater distance from the Camera.
In order to use this port the equipment transmitting the commands
must be set to the following standard:
9600 Baud, 8 bit data, 1 start bit, 1 stop bit, No parity, No
flow control.
This port may be used with the Camera GUI, but in this case will
provide control only. The GUI is designed to automatically revert to
RS232 operation if a USB link is unavailable. Provision is made
within the GUI for selection of any COM port available on the PC.
3.5.3 Using the Camera Syncs port
The Camera Syncs port provides Field line and pixels sync outputs for
the synchronisation of external equipment. A composite sync input
provides for synchronisation (genlocking) of the Camera to an
external source.
A separate input allows the user to control extended integration in
association with the appropriate setting in the Camera Control GUI.
All these signals operate at TTL levels.
3.5.1 Using the USB port
The Camera is supplied with a Type A USB
connector and a 2m long A to A lead.
3.5.4 Using the Analogue Video port
The USB port may be used for Camera
control, and for transfer of Video to a PC
(requires USB2.0)
Analogue video in either CCIR (06) or EIA (05) format is available on
the BNC connector. Output impedance is 75R. The output circuit
includes an anti-alias filter. Failure to terminate the output with the
correct impedance may result in image artefacts.
5
4.Camera Features
4.1 Temperature Control
The Camera has been designed to automatically maintain CCD temperature
at a level defined by the user. A peltier cooler within the CCD package
removes heat to the base of the package from where it is conducted
into the Camera base. In order to obtain optimum performance at high
ambient temperature, and to minimise Camera power consumption, it
is recommended that the user provide an adequate path for removal
of that waste heat to the environment. This function will be assisted
by the airflow provided through the Camera base.
The Camera GUI allows the user to choose CCD operating temperature from
a drop-down menu. Default at power-on is –5oC
The Camera GUI also displays current Peltier Power.
If the bar is static at maximum and/or Actual Temperature is higher than the
Setpoint for several minutes, this indicates that the Camera cooling should
be improved. Attaching the base of the Camera to a large slab of metal, or
a heatsink, will be helpful.
4.2 Automatic Level Control
The Camera is designed to operate with Automatic Level Control (ALC), and
this should give optimum performance for the majority of applications.
When the Camera is fitted with an appropriate auto-iris lens (see section
3.3) the ALC will provide fully automatic operation 24 hours per day. The
following graph indicates how the Camera automatically selects gain and
filter characteristics at different illumination levels.
The Camera GUI allows the user to select the attack
and decay characteristic of the signal integrator used
to assess signal levels.
6
Camera Features
4.2.1 Peak Response
Peak is the default response and this should always be preferred when
operating with an auto-iris lens, in daylight, in order to achieve loop
stability. However, in some night scenes, where the lens aperture is already
fully open, a bright light in part of the scene may cause detail in darker
areas to be suppressed. In this situation some benefit may be obtained by
selecting the Average response.
4.2.2 Average Response
Average response may be selected to enhance detail in dark parts
of the scene.
CAUTION: Selecting this feature may cause bright parts of the scene
to be clipped.
4.3 Manual Gain Control
The Camera will normally operate in Automatic mode, but some scenes
may benefit from the application of Manual control. When using this
feature the user should be aware that it is always preferable to
introduce a small amount of CCD Gain, before Camera Gain, since this will
ensure that readout noise in the CCD has been adequately suppressed.
4.3.1 CCD Gain
The Camera GUI allows the user to adjust CCD Gain in the range Min
Limit to Max Limit, where limits are set during manufacture. The GUI
presents a 16 bit number that may be used for reference, but it should
be understood that this does not represent an absolute gain value. It
will usually be possible to adjust gain in the range x1 to x1000. If CCD
Temperature is adjusted (section 4.1), or the Camera temperature is
raised (or lowered) so that the control circuit can no longer regulate
CCD temperature, the gain will vary. Gain will decrease as CCD
temperature is increased.
4.3.2 Camera Gain
The Camera GUI allows the user to adjust the Camera Gain in the range
Min Limit to 471, where limit is set during manufacture. A figure of 471
represents a gain of 12, and step sizes will always be consistent.
7
Camera Features
4.4 Image Enhancement
4.4.1 Temporal Filtering
This feature will normally be introduced automatically as illumination level is
reduced. In manual mode it may be selected by clicking on the Camera GUI.
Temporal filtering is best suited to images that have some object movement
in the scene, since a high degree of noise reduction can be obtained for a
small amount of lag. The filter is arranged to add a fraction of the current
scene to a smaller fraction of the previous field, to a smaller fraction of the
field before that. Since noise in each field is un-correlated the noise level is
reduced, with only minimal effect on real (repetitive) image content. As a
result, image quality is enhanced and more detail will be observed.
4.4.2 Spatial Filtering
This feature will normally be introduced automatically as illumination
level is reduced. In manual mode it may be selected by clicking on the
Camera GUI.
Spatial filtering is best suited to static scenes, since it tends to blur
detail on edges. This is not normally a problem at low light level since
resolution will already be limited by the noise. In this method the
contents of the centre pixel in a block of 9 pixels is modified according
to the content of adjacent pixels. The table below indicates the relative
contribution from each pixel.
1
2
1
2
4
2
1
2
1
This approximates the effect of a Gaussian filter. Once again, since the
noise in each pixel is un-correlated, noise will be reduced.
4.4.3 Extended Integration
At very low-light levels it may be advantageous to gather more photons
on-chip, by extending the Integration interval. The Camera Control GUI
provides three different routes to achieve this. It should be noted that this
method is particularly susceptible to movement in the scene, and is most
effective when used with a static scene, or when the Camera can be
arranged to track the target by external means.
This feature may be selected at any time, but it is recommended that it only
be used when all other approaches have failed to produce a useful image.
8
Camera Features
4.4.3.1 Internal
This approach allows the user to adjust Integration
interval between 1 and 15 Field periods, i.e.
between 20ms and 300ms for CCIR and between
16.67ms and 250ms for EIA. The Camera includes
a Field Store so the same image will be transmitted
repeatedly until the next field has been captured.
This allows the feature to be used with a
conventional TV monitor.
4.4.3.2 External A
This feature allows the user to specify the
Integration Interval by means of an external
pulse, with Integration interval defined by
pulse repetition rate.
4.4.3.3 External B
This feature allows the user to specify the
Integration Interval by means of an external
pulse, with the width of the pulse defining
the Integration Interval.
9
Camera Features
4.4.4 Post Filter Gain
Note: This feature is available only if Manual gain is selected
CAUTION: Selection of this feature at high light levels may result in clipping
of the white portion of the image.
This feature allows the user to insert an additional x2 gain after the filter
function. Gain is introduced in the digital domain by left-shifting the Video
data. It is recommended that this feature only be used at the very lowest
illumination levels.
4.4.5 Back-light Compensation
In circumstances where a subject is silhouetted against a bright
background, the action of the ALC circuits may mean that it is difficult
to resolve detail in the subject. This feature introduces an extra x2
gain, causing the background to be clipped whilst revealing additional
subject detail.
Note: This feature will not operate if the CCD and Video gains are
already at maximum limits.
4.4.6 Gamma Correction
Gamma correction will normally be set at 1.0 when using a TV monitor,
but some benefit may be obtained by setting it to 0.45 if the image is
displayed on an LCD panel.
It may also sometimes be helpful to select a Gamma of 0.45 to bring
out detail from the shadows in poorly exposed images.
4.5 User Settings
4.5.2 Loading settings
This feature allows the user to store current Camera settings for future
reference. Up to six settings are available. The settings are stored in
the Camera memory. If the Camera is switched on with no connection
to a PC, it will default to the last used setting.
In the user settings window, click on the Name
dropdown arrow. Select the required file, and
click on Recall. The Camera settings will update.
4.5.1 Saving settings
Establish the required Camera settings in the set gain, set process, and
CCD temperature windows.
Enter a file name (max. 8 characters) in the user settings Name, and
click on Save.
4.5.3 System Reference
This feature allows the user to allocate a unique
reference to each Camera in a multi-Camera
system. Camera identity will be saved when
recording images.
10
Camera Features
4.6 Recording / Playback of images
4.7 Tape Transport Control Features
4.7.1 Recording
Initiates Recording. When this button is clicked the user is
presented with a capture control window….
Files may be saved in either FITS or AVI format, or both simultaneously.
The FITS format is recommended for scientific applications. AVI is for
visual record only.
The user may choose the number of frames to be saved by
entering a number into the Number of frames window.
CAUTION: Image data is initially streamed to PC RAM memory, and will
be saved to the defined location on completion of Capture. The user
must ensure that adequate memory resource is available to capture the
required number of frames.
4.7.1.1 File location
Clicking the
button opens another window, which allows the user
to define file location…
When the details are correctly entered image capture is initiated by
clicking the Capture button.
4.7.2 Playback
In order to playback a previously recorded file the file, must be selected
by clicking the
button.
A list of files will be offered. Choose the required file and click
‘Open’. File details will appear in the Current File windows….
To initiate playback use the Tape Transport Controls….
11
5.Optional Features
5.1 LCP Shutter
These cameras are available with an LCP shutter – indicated by (-S)
suffix on the Part Number.
This shutter is arranged to diffuse light during the frame transfer
interval, which is approximately 300 microseconds at the end of each
field period.
The shutter is recommended for use in scenes including bright point
sources. In these circumstances, it will significantly reduce the effects
of Frame Shift Smear.
12
6.Appendices
6.1 Camera Block Diagram
6.2 Functional Description
The Camera comprises a number of PCBs connected via a proprietary
digital bus. The majority of components are surface mounted and
have low mass, making this product suitable for use in environments
experiencing moderate levels of vibration. Please contact
e2v technologies for more details and recommendations to make this
product suitable for your application.
6.2.1 Data path
The Peltier cooled CCD is located on a headboard with an AFE, which
uses Correlated Double Sampling to acquire Pixel data. The signal is
then subject to clamping and passed to an ADC, which converts the
signal to a 12bit digital word. After passing through a variable gain
stage, this 12bit word is passed over the Camera bus to the FPGA,
which accumulates Pixel data for a complete CCD line. During each
TV line-blanking interval this new data is passed to the Digital Signal
processor (DSP), and the DSP returns the previously processed line
for output.
The output data is reduced to a 10bit word and passed to a Video
DAC, where TV syncs are added, and the output passed via an
anti-alias filter to a conventional 75R BNC output.
In addition, that data is also passed to the USB2.0 port for
display and storage on a PC, which has the e2v Camera Control
GUI installed.
13
Appendices
6.2.2 Camera Timing
All Camera-timing functions are managed by the FPGA. The FPGA is
configured each time the Camera is turned-on, by transfer of data from
the DSP.
The FPGA generates clock pulses for the Frame Transfer CCD, and timing
pulses to ensure that the CCD output is sampled at the correct time.
A crystal Master clock of nominally 60MHz is divided to allow very
precise adjustment of timing to ensure the best performance from
the Camera.
Individual Pixel data is sampled at a rate of nominally 15MHz
(66.67ns / pixel).
CCD Bias supplies are generated digitally, and factory default values are
loaded from EEPROM each time the Camera is switched ON.
6.3 Auto-iris Set-up Procedure
For guidance on setting up an Auto-iris lens please refer to Low light
Technical Note 3, found on the CD.
6.4 Command Structure
Users wishing to control the Camera from their own
software should refer to the following Command Table.
Commands are transmitted in the following 6
byte format…
STX • Command • Data • Data • ETX • Xor Checksum
The USB interface deals with message
acknowledgement automatically, but when using the
RS232 interface ACK/NAK protocol will be used. Upon
receipt of a valid command the Camera will respond
with an ACK character. If a command is not
recognised, or the data value is out of range, the
Camera will respond with a NAK character. Upon
receipt of a NAK character, the user shall re-transmit
the command.
Command Value
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Command
Set CCD Gain
Set Camera Gain
Set Gain Defeat
Set Spatial Filter
Set Temporal filter
Set PFG
Set Gamma Correction
Set CCD Temp
Set Regulation
Save Settings
Recall Settings
Status Request
Get CCD Temp
Get Peltier Power
Set Gain Mode
Set BLC
Set Extended Integration
Set Ext Mode
Set System ID
Data Range
0 - 65535
0 - 1023
0/1
0/1
0/1
0/1
0/1
0-4
0/1
0-3
0-3
N/A
N/A
N/A
0/1
0/1
0 - 15
0/1
1 - 255
Any command that requires data feedback will have the data returned in
the data packet of the response, in little endian format.
14
7.Glossary
6.1 Camera Block Diagram
FCC
EMC
VCCI
CCD
EEA
TEC
LCP
GUI
USB
PC
BNC
CCIR
EIA
ALC
LCD
FITS
AVI
RAM
ROM
PCB
AFE
ADC
DAC
FPGA
DSP
EEPROM
PFG
BLC
ID
SNR
PSU
TV
COM
Federal Communications Commission
Electromagnetic Compatibility
Voluntary Control Council for Interference
Charge Coupled Device
European Economic Area
Thermo-electric Cooler
Liquid Crystal Polymer
Graphical User Interface
Universal Serial Bus
Personal Computer
Bayonet Neill Concelman (a type of Coaxial connector)
Consultative Committee for International Radio
Electronic Industries Alliance
Automatic Level Control
Liquid Crystal Display
Flexible Image Transport System
Audio Visual Interleave
Random Access Memory
Read Only Memory
Printed Circuit Board
Analogue Front End
Analogue to Digital Converter
Digital to Analogue Converter
Field Programmable Gate Array
Digital Signal Processor
Electrically Erasable Programmable Read Only Memory
Post Filter Gain
Back Light Compensation
Identity
Signal to Noise Ratio
Power Supply Unit
Television
Communications
15
8.Contacts
e2v technologies
106 Waterhouse lane
Chelmsford
Essex
CM1 2QU
United Kingdom
T +44 (0)1245 493493
F +44 (0)1245 492492
USA
e2v technologies inc
4 Westchester Plaza
Elmsford
NY 10523-1482
T +1 914 592 6050
F +1 914 592 5148
France
e2v technologies sas
16 Burospace
F-91 572 Bievres Cedex
T +33 (0) 1 6019 5500
F +33 (0) 1 6019 5529
Germany
e2v technologies gmbh
Industriestraße 29
82194 Gröbenzell
T +49 (0) 8142 410 57-22
F +49 (0) 8142 284 547
http://l3vison.e2v.com
[email protected]
16
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