Imaging Source 640x480 FireWire Color Telescope Camera without IR Cut Off Filter

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About Imaging Source

The telescope camera DBK 21AF04.AS outputs up to 60 color images per second. It is therefore ideally suited to methods in astrophotography that require high frame rates. Using the shipped software - IC Capture.AS - you can capture lossless and uncompressed images sequences as AVI files. The astro CCD camera DBK 21AF04.AS outputs uncompressed color images in fast sequences. In order to transfer these to the host PC, a very fast bus is required. Hence, the camera is fitted with a FireWire connector.

The raw data (8 bit/pixel, RAW format) from the color CCDs require some post-processing. In the color interpolation process: Raw data is converted into one of many commonly used color formats. This requires at least 16 bits per pixel and thus, broader bandwidth during transfer. Color interpolation in the astro CCD camera DBK 21AF04.AS can be switched off, thus 60 color images per second can be transferred. Color interpolation can then be carried out on the host PC, with the shipped software IC Capture.AS. Alternatively, should color interpolation not be desirable at all, AVI files can be written in RAW format.

The CCD camera DBK 21AF04.AS deploys the Sony color CCD ICX098BQ. The format of this CCD is 1/4". The chip outputs data using progressive scan at a resolution of 640 x 480 pixels. Even at long exposure times, its noise is minimal. Thanks to the high quality of this CCD, it is often deployed in medical image processing applications. Although the astro CCD camera DBK 21AF04.AS has a color CCD, it does not have an IR cut filter. It is therefore possible that users of this astro CCD camera can fit their own filters, thus being able to set it up to their own requirements.

Imaging Source Features

  • Camera Features:
  • Color FireWire camera without IR cut filter
  • 1/4" CCD, progressive scan
  • Resolution 640 x 480
  • Up to 60 color frame per second
  • Max exposure time 60 min
  • C/CS Mount
  • Fast display of color images
  • Sony color CCD
  • Fast data transfer via FireWire
  • Sony ICX098BQ Sensor Features:
  • Progressive scan allows individual readout of the image signals from all pixels.
  • High horizontal and vertical resolution (both approx. 400TV-lines) still image without a mechanical shutter.
  • Supports monitoring mode
  • Square pixel
  • Supports VGA format
  • Horizontal drive frequency: 12.27 MHz
  • No voltage adjustments (reset gate and substrate bias are not adjusted.)
  • R, G, B primary color mosaic filters on chip
  • High resolution, high color reproductivity, high sensitivity, low dark current
  • Continuous variable-speed shutter
  • Low smear
  • Excellent antiblooming characteristics
  • Horizontal register: 3.3V drive
  • 14-pin high precision plastic package (enables dual-surface standard)

Imaging Source Specifications

Camera Type
Color FireWire camera without IR cut filter
Astronomy FireWire CCD Imager for Telescope Astrophotography
Sensor Type
Progressive scan
640 x 480 pixel
Dynamic Range
8 bit
Exposure Time
1/10000 s to 60 minutes
0 dB to 36 dB
Fps @ Max Resolution
60 fps
Video Formats @ Frame Rate
640 x 480, BY8 (RAW) @ 60, 30, 15, 7.5, 3.75 fps
640 x 480, UYVY @ 30, 15, 7.5, 3.75 fps
Lens Mount
Sensor Image Size
Diagonal 4.5mm (Type 1/4)
Sensor Number Of Effective Pixels
659 (H) x 494 (V) approx. 330K pixels
Sensor Total Number Of Pixels
692 (H) x 504 (V) approx. 350K pixels
Sensor Chip Size
4.60mm (H) x 3.97mm (V)
Sensor Unit Cell Size
5.6µm (H) x 5.6µm (V)
Sensor Optical Black
Horizontal (H) direction: Front 2 pixels, rear 31 pixels
Vertical (V) direction: Front 8 pixels, rear 2 pixels
Sensor Number of Dummy Bits
Horizontal 16
Vertical 5
Sensor Substrate Material
Supply Voltage
8 V to 30 V via the FireWire cable
Current Consumption
Approx 200 mA @ 12 VDC
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 %
Dimensions (H x W x L)
50.6 mm x 50.6 mm x 50 mm
265 g

Questions & Answers Powered by TurnTo®

Questions about this item:

Shopper  Why did you choose the model without the IR Cut Off filter?
BILL P  Without the IR filter, all of the light spectrum is passed on to the camera, allowing more image data. Most AstroPhotographers choose the no filter option and add their own filters depending on what they are going to image. Deep Sky objects often emit IR light, which you would not want to block. Hope this helps Bill
Shopper  View of the connection spots in the rear of this unit?
Andrew R  Unfortunately we do not have any other product images available of this unit. This unit connects and receives power via a Firewire cable.
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