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New scope
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 (May 4, 2017 at 12:33 pm)Alex K Wrote: Yeah, a slow Achromat... but in general you agree that my preference for an 8" or possibly 9.25" SCT makes sense? Yeah, if portability is a prime concern. Go for a slow f ratio here as well. I have a 10" f/6.3 SCT, the central obstruction is significantly larger than in a f/10 and that leads to lower contrast. (Though despite that, aperture wins, and a 8-10" SCT has that in spades.) |
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RE: New scope - by Jackalope - May 4, 2017 at 11:44 am
RE: New scope - by Alex K - May 4, 2017 at 12:33 pm
RE: New scope - by Jackalope - May 4, 2017 at 12:56 pm
RE: New scope - by Alex K - May 4, 2017 at 2:35 pm
RE: New scope - by Jackalope - May 4, 2017 at 2:49 pm
RE: New scope - by Alex K - May 4, 2017 at 3:51 pm
RE: New scope - by Jackalope - May 4, 2017 at 4:08 pm
RE: New scope - by Crunchy - May 4, 2017 at 4:21 pm
RE: New scope - by Minimalist - May 4, 2017 at 5:00 pm
RE: New scope - by Alex K - May 4, 2017 at 5:10 pm
RE: New scope - by Thumpalumpacus - May 4, 2017 at 5:38 pm
RE: New scope - by Minimalist - May 4, 2017 at 6:35 pm
RE: New scope - by Thumpalumpacus - May 5, 2017 at 3:55 pm
RE: New scope - by brewer - May 5, 2017 at 4:42 pm
RE: New scope - by Ravenshire - May 5, 2017 at 9:10 pm
RE: New scope - by brewer - May 4, 2017 at 5:46 pm
RE: New scope - by Alex K - May 4, 2017 at 5:49 pm
RE: New scope - by brewer - May 4, 2017 at 6:01 pm
RE: New scope - by Alex K - May 4, 2017 at 6:06 pm
RE: New scope - by Jackalope - May 4, 2017 at 6:17 pm
RE: New scope - by Alex K - May 5, 2017 at 12:34 am
RE: New scope - by Jackalope - May 5, 2017 at 12:39 am
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