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New 'Full Frame' format SX-46 & SX-56 cameras


We have developed two new 'Full Frame' format cameras that incorporate the large area ON Semiconductors KAF16200 and KAF16803 CCD chips. As these devices require the use of an optical shutter, we developed a stepper motor driven 'roller blind' assembly, which provides very uniform illumination, even for very short exposure times. This simplifies the recording of flat field frames and eliminates shutter induced gradients in your images. These cameras also incorporate 'Field flood' LEDs to eliminate RBI effects and a multicoated synthetic sapphire input window to eliminate dewing. The extremely high thermal conductivity of the sapphire keeps the window warm by conduction, without the use of window heaters. The cooling is by a 3 stage Peltier and achieves better than -45C below ambient. Both cameras are housed in a 136mm square machined chamber and weigh only 1.7Kg. The input adaptor has a 72mm x 1mm female thread and the camera BFL is 16mm.


The SX-46 has 16.5M, 6uM square pixels in a 27 x 21.6mm format. The SX-56 has 16.7M, 9uM square pixels in a 36.8mm square format.

New 'AllSky' Oculus software now available

A powerful new software to operate the SX Oculus, is now available from:


Many thanks to Mr Michael Poelzl for this valuable contribution. You can also find out about the latest developments by joining the group: