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The Imaging Source DMK 21AF04.AS / DMK 21AU04.AS
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Compact Monochrome Video Camera with USB 2.0 or FireWire Interface
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- Sony ICX098BL 1/4" CCD
- Progressive scan
- Resolution: 640 x 480
- No IR cut filter
- Max. 60 fps
- Max exposure time 60 min
- C/CS Mount
- Computer interface option:
- Software included
- Operating systems:
- Windows 7 (32-bit & 64-bit)
- Windows Vista (32-bit & 64-bit)
- Windows XP
- Windows 2000 (SP2)
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DMK 21AF04.AS (FireWire version)
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DMK 21AU04.AS (USB 2.0 version)
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Outline
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| Up to 60 frames per second.
With 60 fps, the monochrome DMK 21AF04.AS camera is the fastest within its
category. It is ideally suited to black and white astrophotography, in which very
fast image sequences are captured. Using the shipped software - IC Capture.AS -
you can capture lossless and uncompressed image sequences as AVI files.
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Left: Attached to an Opticstar Filter Wheel by a T-thread adapter.
The camera can also be attached
to the filter wheel by the bundled 1.25" nosepiece. Right: USB port.
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| Monochrome Sony® CCD.
The astro CCD camera DMK 21AF04.AS uses the monochrome progressive scan CCD ICX098BL
from Sony®. With its 1/4" format, the CCD produces a resolution of 640 x 480 pixels.
Even at long exposure times, its noise is minimal. Thanks to its unsurpassed quality,
the ICX098BL is often used in industrial image processing applications.
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| No compression, no filter.
The camera does not use compression, nor does it have an IR cut
filter, a colour filter or an electronic filter. Thus, the camera produces very
true-to-life captures of the night sky.
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The Imaging Source CCD camera shown from various angles with telescope adapter and lens attached.
The camera includes a 0.25" photographic thread that enables it to be attached to a photographic tripod.
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Fast data transfer via FireWire.
The DMK 21AF04.AS camera generates a high rate of uncompressed monochrome
images. In order to transfer these to the host PC, a very fast bus is required.
Hence, the camera is fitted with a FireWire computer interface.
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Looking for a Higher Specification Video Camera?
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The PX-137C (colour) and PX-137M (monochrome)
cameras are ideal for imaging demanding targets in real-time including planets, the Sun and the
International Space Station among others; with an exposure range of 1ms to 60 seconds the PX-137 cameras can also be
used in low light applications.
 Sony IMX035 1/3" Exmor CMOS, 1.3 Megapixel, 1280x1038 pixels.
Quantum efficiency: 76%, 3e-Low noise (fan cooled).
1280x1038 25 fps, 668x512 50fps (max).
Gain in hardware.
1ms minimum exposure time, 60 second maximum.
Low noise: 3e- RMS (fan cooled).
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FireWire Connectivity
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The camera requires power to operate. Typically desktops have 6-pin Firewire sockets and as such a
6/6 Firewire cable should be used, this will supply power to the camera.
This also applies to laptops with 6-pin Firewire sockets.
Computers with 4-pin Firewire sockets will require a 4/6 pin Firewire cable with a power input and
power supply to supply power to the camera. Using this cable, you can connect an Imaging Soure
astronomy camera to any computer that is fitted with a 4 pin FireWire connector i.e. laptops.
An external power supply can be connected to supply power only if required. The Imaging Source astronomy
cameras work with between 8 and 30 VDC and draw around 200 mA at 12 VDC.
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Software
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IC WDM DCAM TIS - Device driver for FireWire telescope cameras
The driver IC WDM DCAM TIS embeds all FireWire telescope cameras, manufactured by
The Imaging Source, into Windows® 2000 and Windows® XP. By deploying this driver,
all CCD cameras are DirectX® compatible. Consequently, all The Imaging Source
cameras can be used with all astro-photography software that is compatible with
DirectX®.
Computer requirements:
- PIII/800 MHz, 128 MB
- Graphics card with 24 or 32 bit
- Windows® 2000/SP2 or Windows® XP
- DirectX® 9.0c or higher
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Live 60fps colour image display.
Click on image to enlarge.
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Capture of an AVI file.
Click on image to enlarge.
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IC Capture.AS - Camera control software
IC Capture.AS is authored by The Imaging Source and has been specifically designed
for use with astronomy cameras. The software is bundled with the camera
Using IC Capture.AS, you can do the following:
- Set all camera parameters.
- See the live image data stream from the camera.
- Retrieve singular images from the camera and save them as BMP or JPG files.
- Capture image sequences and save the single images as enumerated BMP or JPG files.
- Capture image sequences and save them as lossless, uncompressed AVI files. These files can be post-processed in other astronomy applications, such as RegiStax.
Software requirements:
- PIII/800 MHz, 128 MB.
- Graphics card with 24 or 32 bit.
- Windows® 2000/SP2 or Windows® XP.
- DirectX® 9.0c or higher.
Please note that in order to save image sequences, a host computer with a fast CPU and fast secondary hard disk is required.
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Video format selection.
Click on image to enlarge.
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Live image stream with histogram display.
Click on image to enlarge.
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AVI file generation
With IC Capture.AS you can save the images outputted from the camera as an AVI file.
There are two approaches to achieve this:
- If you would like to save a compressed AVI file, simply select the appropriate codec in IC Capture.AS (DivX, for example).
- If you prefer uncompressed AVIs, simply select the shipped codec (uncompressed Y800, uncompressed RGB24, uncompressed RGB32, uncompressed UYVY).
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| Product Code |
DMK 21AF04.AS / DMK 21AU04.AS |
| Type |
monochrome FireWire camera without IR cut filter |
| Application |
FireWire CCD Imager for Astrophotography |
| Computer Interface |
FireWire / USB 2.0 |
| Manufacturer |
The Imaging Source |
| Sensor |
CCD |
| Type |
progressive scan |
| Sensor specification |
Sony ICX098BL PDF |
| Format |
1/4" |
| Resolution |
640 x 480 (307,200 pixels) |
| Dynamic range |
8-bit |
| Exposure time |
1/10000 s to 60 minutes |
| Gain |
0 dB to 36 dB |
| FPS @ Max resolution |
60 fps |
| Video formats @ Frame rate |
640 x 480, Y800 @ 60, 30, 15, 7.5, 3.75 fps |
| Lens mount |
C/CS-mount |
| Power supply |
8 V to 30 V via the FireWire cable |
| Current consumption |
approx 200 mA @ 12 VDC |
| Dimensions (H x W x L) |
50.6 mm x 50.6 mm x 50 mm |
| Weight |
265g |
| Max. temperature (operation) |
-5 °C to 45 °C |
| Max. temperature (storage) |
-20 °C to 60 °C |
| Max. humidity (operation) |
20% to 80% |
| Max. humidity (storage) |
20% to 95% |
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This information is provided by The Imaging Source and it is subject to change without notice.
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Astronomy Cameras from The Imaging Source
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Notice
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We are constantly checking the accuracy of the technical data. We are prepared to provide
more detailed information on request. Technical data is subject to change without notice.
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