Handbook for the SXV-M25C Issue 1 June 2004
31
6) Before re-assembly, make certain that the inside surface of the front window is also
clean, and then carefully replace the camera front barrel and screw it into place. (If the
heat sink seal is disturbed, renew it with fresh compound before reassembling).
7) Replace all the camera parts in reverse order and the job is done.
Dealing with condensation:
The SXV-M25C is designed to avoid condensation by minimising the volume of air
trapped within the CCD cavity and by preventing moisture ingress. This normally
works very well, but storage of the camera in a humid location can lead to the trapped
air becoming moist by diffusion through the optical window mounting thread etc. and
can result in condensation on the CCD window. If this becomes a problem, try storing
the camera in a warm, dry place, or in a plastic lunch box containing a sachet of silica
gel desiccant.
N.B. DO NOT leave the camera switched on for long periods between uses. The
cold CCD will collect ice by slow diffusion through any small leaks and this will
become corrosive water on the cooler and CCD pins when the power is removed. If
substantial amounts of moisture are seen, dismantle the camera and dry it
thoroughly.
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Alternative Software
Although we hope that you will be satisfied with our ‘SXV_M25C_USB’ software,
other companies are offering alternative programs with more powerful processing
functions. The most active and successful of these is ‘AstroArt’ by MSB software.
You can purchase AstroArt from many dealers Worldwide and more information may
be obtained from their web site at http://www.msb-astroart.com
‘Maxim DL’ is another popular choice and you can find out more by visiting
http://www.cyanogen.com
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Some details of the camera and CCD characteristics
CCD type: Sony ICX413AK SuperHAD progressive scan imager with RGBG
Bayer colour filter matrix.
CCD size: Active area 23.4mm x 15.6mm
CCD pixels: 3044 x 2016 pixel array. Each pixel is 7.4 x 7.4uM square
Well depth: Full res. mode approx. 30,000e.
Mean visual QE: Approx. 25% effective, 60% for pixels at peak response
Useful spectral response: 360nM – 1100nM
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