SeldomPerched
Well-known member
Not sure - after as good a search on Bird Forum as I can manage with a phone and large fingers - if there's a more suitable general sub-forum for my question. As I am largely a Zeiss user I'll post it here till corrected...
I'm looking for the definition / explanation of the term astigmatism as applied to binocular design. When I look it up the only explanations I have found apply to the human eye rather than glass optics.
Thank you if you can give me an idiot's guide, or more.
Tom
I'm looking for the definition / explanation of the term astigmatism as applied to binocular design. When I look it up the only explanations I have found apply to the human eye rather than glass optics.
Thank you if you can give me an idiot's guide, or more.
Tom