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Old Tuesday 22nd August 2017, 13:20   #108
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Join Date: May 2012
Location: Sheffield
Posts: 7,842
Originally Posted by DRodrigues View Post
Thanks Lee.

I'm not also a fanatic of edge sharpness - I prefer an AFOV of 72, with the out 12 not perfectly sharp, to an AFOV of 60 with the edge totally sharp, but it seems shouldn't be bad. However edge sharpness is very important for digiscopy as well as the aperture issue - the Swaro X are very good for digiscopy. By the way what scope do you use?
I am a general nature observer not a dedicated birder so I have an old Diascope 65 with two focusing knobs which I use mainly for observing Otters in the Western Isles of Scotland.

If the edges of your digi pics are not sharp enough, crop them off. You will probably do this anyway to make the centre image larger.

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