Quote:
Originally Posted by thersites
i know this has probably been asked countless times, but if we assume portability is not an issue, is the 12" dob a better option than the 10, or will i have more troubles with issues such as seeing and time to temp equilibrium with the larger mirror? will the larger mirror have more troubles with dancing, shimmering images?
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Hi Adam, yes to the more troubles with 12". I've owned a 12" for a while but bought a 10" and sold the 12". A 10" Dob is a much nicer, more user-friendly scope than a 12" IMO. I'm very impressed with the optics of my 10" Saxon aka Skywatcher. Much better than the 12" GSO I used to own. Never saw anything close to the pipoint stars in the GSO that I'm routinely seeing with the Saxon. But that could well be luck of the draw rather than anything between the two models.
If you want big, join a club with a big scope (18, 20, 25"...) and use that. For your own personal use I'd recommend an 8 or 10".