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That is interesting about the SX Lodestar. Do you know what chip it uses?
Is it CMOS or CCD?
I had a Starfish guider which was 1.3mp CMOS and it would do a few times a second. They need a buffer built in to get such fast rates as even though the camera may be able to take that many frames you have to get them downloaded as well really quickly.
I use an ST402ME for a guide camera on an Astrotech 66ED scope which works well but could use a bit more focal length.
For that purpose I just bought a Vixen VMC95L to use as a guide scope as it is light (4lbs), compact and 1045mm focal length. Also has easy straight through camera whereas my Astrotech needs a diagonal which is another weak point for flexure.
Greg.
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