Quote:
Originally Posted by Granada
Wondering if Bahtinov masks are typically used for astrophotography or if they're utilised for visual as well? I'm asking because I rarely see any Bahtinov masks for large Dobsonians, so I'm curious if I should get one for my 14" Dobby which I only use for visual only?
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Hi Granada,
I use all of my OTAs for photography so I’m not 100% on this but my assumption is that everyone’s eyes and more specifically their lenses are different so there is no fixed focus, its dependant on the observer. In this case I’m going to say no to a bahtiov mask.