agree with S. you need very big pixels at such a long fl.
Suggest that you get a 6.3 reducer (providing these work with the edge) and use an 8300 chipped camera with 2x2 binning. The 8300 does not do binning quite as well as some others, but such a setup would provide 10.8 micron effective pixels and at least allow you to use your existing scope with high resolution and reasonable sensitivity. The 8300 would then be suitable for a shorter scope when you decide to look at wider fields. Forget the Sony chips for now - their pixels are a bit too small for your focal length.
OAG would be the best way to guide - you should have plenty of back focus to fit one in. again, you will need big pixels and an SX lodestar might be best.
Last edited by Shiraz; 08-11-2015 at 05:49 PM.
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