Quote:
Originally Posted by avandonk
Thanks all. I just wanted to show what you can do with an $800 achromat and a nebula filter. Note this achromat is an F4.5 with the FR/FF.
If I can get an unvignetted (is that a word?) 150mm diameter F5 achromat to have the same quality stars at the corners as at the center with a full frame. Imagine what you could all do with a C size sensor. You would only need a resonable FR/FF and a nebula or UHC filter.
Bert
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havent followed the technical stuff too closely here, what focal reducer /field flattener wwere you using as its done a good job. does the DH in the camera designation mean anything, im presuming its modded because of all the red.
sorry for being so ignorant.