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="DRodrigues" data-source="post: 1371424" data-attributes="member: 55152">fixed vs. zoom eyepieces on birding vs. astro telescopeOn the discussion of the advantages/preferences of the 2 types of eyepieces for birding or astro viewing, this time, wasn't mentioned an issue: - birds move fast and astro-objects don't (at least from Earth...). So birders like to spot a bird at lower power of the zoom and go for higher powers (for having better detail), without loosing the bird. Also, the question of not usable high powers result from bad atmospheric conditions but also, as discussed already in other messages, from bad scope specimens - the lemons... As I told before, I use a 30-90x Optolyth zoom and a Pentax XW5, resulting in 126x on the Optolyth 100mm. But I do cr-birding, have usually good light conditions and my Optolyth is not a bad sample...I'm testing an intermediate solution since already some time - the Siebert PMW - but, as a zoom dependent, the solution I prefer is to combine the PMW with a zoom... Is not a solution that works for birding scopes, only using astro-telescopes. Will see if I will manage to put a review on this until the end of the month.All the best,David<a href="http://pt-ducks.naturlink.pt/" target="_blank">http://pt-ducks.naturlink.pt/</a></blockquote>