BirdForum is the net's largest birding community dedicated to wild birds and birding, and is absolutely FREE!

Register for an account to take part in lively discussions in the forum, post your pictures in the gallery and more.

Reply to thread

Message: <blockquote data-quote="jring" data-source="post: 3288437" data-attributes="member: 133897">Hi,the very nice and knowledgeable guy at BHphoto first recommended me an inexpensive Pentax reverse porro in 8x21 (I think it was the Pentax 8x21 U-Series UP - just had a quick look but then asked for the papillo) which was quite comparable to the 8.5x papillo - with its faults of small exit pupil and field of view but quite nice otherwise, light at 210g and it was 50 bucks.Unfortunately Pentax doesn't seem to offer this in 6x, although they have now upgraded the series to 25mm tubes increasing weight and exit pupil but not field of view.Joachim</blockquote>