DFK 31AU03.AS

Color USB astronomy camera with IR cut filter. 1/3 " CCD, Sony ICX204AK (progressive scan). Resolution 1024 x 768 pixels. Up to 30 FPS and 60 minutes exposure. C/CS mount. Software included.


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High Resolution, Fast Refresh Rate

The DFK 31AU03.AS unifies three important characteristics for astrophotography: high resolution, fast refresh rate and a low price. 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.

Color Interpolation

For visualization applications, it does not make sense to view the RAW image stream from the CCD chip. It must be interpolated, before it may be viewed or saved in common formats. IC Capture.AS perform color interpolation, thus reducing the load on the DFK 31AU03.AS's processor. Should, on the other hand, you prefer that the camera itself performs color interpolation, you can select the appropriate option in IC Capture.AS. This enables the transfer of data to reach the camera's maximum of 30 FPS. Finally, if you do not require color interpolation at all, you can turn it off completely and the image stream is written to disk in RAW format.

Sony ICX204AK 1/3 " CCD Chip

The DFK 31AU03.AS ships with the color Sony ICX204AK progressive scan CCD chip. With its 1/3 " format, the CCD chip produces a resolution of 1024 x 768 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 ICX204AK CCD chip is also often used in other scientific, industrial and medical image processing applications.

IR Cut Filter As Standard

Unlike the human eye, CCD chips are sensitive to near infrared light (wavelengths over 700 nm). The DFK 31AU03.AS ships with an IR cut filter as standard and is thus suited to applications in which these wavelengths would lead to interference or undesirable results.

High Speed Data Transfer Via USB

In order to transfer the vast amount of data created by the stream of uncompressed and lossless color images to the host PC, you need a very high speed bus. Hence, the DFK 31AU03.AS is fitted with a fast USB connector.

Included Software

The DFK 31AU03.AS ships with the device driver IC WDM UVCCAM TIS and the camera control and image acquisition application IC Capture.AS. Both of these run on Windows XP, Windows Vista and Windows 7 (32 and 64 bit).

Software for Mac OS and Linux is available from third parties.

 

General Behavior
Video formats @ FPS 1024 x 768, BY8 (RAW) @ 30, 15, 7.5, 3.75 FPS
Dynamic range 8 bit
Optical Interface
IR cut filter yes
CCD specification Sony ICX204AK [PDF]
Type progressive scan
Format 1/3 "
Resolution H: 1024 pixel, V: 768 pixel
Lens mount C/CS mount
Electrical Interface
Connector type USB
Supply voltage 4.5 VDC to 5.5 VDC (via USB cable)
Current consumption approx. 500 mA at 5 VDC
Mechanical Interface
Dimensions H: 50.6 mm, W: 50.6 mm, L: 50 mm
Mass 265 g
Manual Adjustments
Shutter (exposure time) 1/10,000 second to 60 minutes
Gain 0 dB to 36 dB
Environmental
Max. temperature (operation) -5 °C to 45 °C
Max. temperature (storage) -20 °C to 60 °C
Max. humidity (operation) 20 % to 80 % non-condensing
Max. humidity (storage) 20 % to 95 % non-condensing

 
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DFK 31AU03.AS
DFK 31AU03.AS

Color USB astronomy camera with IR cut filter. 1/3 " CCD, Sony ICX204AK (progressive scan). Resolution 1024 x 768 pixels. Up to 30 FPS and 60 minutes exposure. C/CS mount. Software included.


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