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TeleVue 31mm Nagler Type 5

on October, 17th 2009


This is one of the most immersive eyepieces Ive used. It truly gets out of the way and disappears, and you feel like youre floating in space. In a very fast scope (f/4 dob) it does display some edge abberations but only in the outermost 15% of the FOV and its not obtrusive or annoying. There is minor lateral color. Biggest issue for me was blackout, and to a much lower extent, some kidneybeaning, but these were very very minor. Stars are sharp, and I mean SHARP pinpoints. Havent used it in the daytime so I cant comment on its performance there. Yes, its BIG, yes its HEAVY and yes, you could call it a GLASS GRENADE, but its an awesome performer under the stars. If you can afford it, get it...youll be glad you did.