The unit incorporates a 0.7x telecompressor
lens that focuses light onto a KAI-0340 CCD guide sensor with 7.4-micron pixels in a 640x480 array.
* MEGA REDUCER Astro-Physics announces the Quad Telecompressor
Corrector ($1,520) for its 130 StarFire GTX and EDFGT telescopes.
is a handy accessory for the DSI, since it reduces a telescope's focal length (producing a wider field of view) and gives a faster f/ratio.
I tested StellaCam with my 11-inch Celestron fitted with an f/3.3 telecompressor
and my 1212-inch Newtonian with the same compressor to yield approximately f/2.3.
Issue #3, also 40 pages, includes a new photographic telecompressor
design by Ed Jones.