Imaging Source DMK 21AU618.AS Monochrome USB Astronomy Camera without IR Cut Filter, 640x480 Pixel Resolution, C/CS Mount

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About Imaging Source DMK 21AU618.AS

The Imaging Source DMK 21AU618.AS Monochrome USB Astronomy Camera is ideally suited to black and white astrophotography, in which very fast image sequences should be captured. The camera ships with IC Capture.AS, a comprehensive software package with which you can capture lossless and uncompressed images sequences and write them to disk as AVI files, or as a series of singular bitmaps.

The DMK 21AU618.AS comes with the monochrome Sony ICX618ALA progressive scan CCD chip. With its 1/4" format, the CCD chip produces a resolution of 640 x 480 pixels. Even at very long exposure times - up to 60 minutes exposure are possible - noise is minimal. Thanks to this extremely high quality, the Sony ICX618ALA CCD chip is also often used in other scientific, industrial and medical image processing applications.

Imaging Source DMK 21AU618.AS Features

  • No Compression, No IR Cut Filter: Video data that is captured by the CCD chip is output directly by the USB connector. The camera does not have an IR cut filter, a color filter, nor an other kind of electronic filter. The camera is ideally suited to capturing very true-to-life images of night sky
  • High Speed Data Transfer Via USB: In order to transfer the vast amount of data created by the stream of uncompressed and lossless monochrome images to the host PC, you need a very high speed bus. Hence, the DMK 21AU618.AS is fitted with a fast USB connector

Imaging Source DMK 21AU618.AS Specifications

Video formats @ FPS
640 x 480, Y800 at 60, 30, 15, 7.5, 3.75 FPS
Dynamic range
8 bit
IR cut filter
Optical Interface Type
Progressive scan
1/4 "
H: 640 pixel, V: 480 pixel
Lens mount
C/CS mount
Connector type
Supply voltage
4.5 VDC to 5.5 VDC (via USB cable)
Current consumption
Approx. 500 mA at 5 VDC
Shutter (exposure time)
1/10,000 second to 60 minutes
0 dB to 36 dB
Max. temperature (operation)
-5 deg.C to 45 deg.C
Max. temperature (storage)
-20 deg.C to 60 deg.C
Max. humidity (operation)
20 % to 80 % non-condensing
Max. humidity (storage)
20 % to 95 % non-condensing
Dimensions (H x W x L)
50.6mm x 50.6mm x 50mm (1.99" x 1.99" x 1.96")
265 g (9.3 oz)
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