woodhornbirder
Well-known member
http://cgi.ebay.co.uk/TELESCOPE-EYE...ash=item518d1f2216&_trksid=p4634.c0.m14.l1262
82 degree lens, am sure there are a few about.
Are they TOO wide for use in birding scopes? DO they cause alot of eye strain, or do they actually give the effect of "being there" ie you forget you are looking down a tube.
ANyone use these atmo?
82 degree lens, am sure there are a few about.
Are they TOO wide for use in birding scopes? DO they cause alot of eye strain, or do they actually give the effect of "being there" ie you forget you are looking down a tube.
ANyone use these atmo?