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Old 28-03-2014, 08:29 AM
astro744
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astro744 is offline
 
Join Date: Apr 2007
Posts: 1,244
Here is a low cost alternative you may consider; 1rpd 30mm/80deg. http://www.astrobuffet.com/ab/30mm.html

I have one of these that permanently sits in my ED80 case. I bought it for my Newtonian but it is a poor performer in that but not too bad with the ED80. I have not used it in my C9.25 but will try next clear night.

It was this eyepiece that introduced me to Tele Vue and I have never looked back such was it's performance in a Newtonian (significant field curvature in outer 30%). In a Newtonian it simply cannot hold up to a 31 Nagler or 41 Panoptic but I have not tried it in my C9.25 as I bought the SCT after my Tele Vue eyepieces.

As was already mentioned by another user, it is the eyepiece and telescope combination that gives the final result and what eyepiece works for one telescope may not for another. However I must say, Tele Vue work very well for all and if you ever are getting other designs of telescopes, you cannot go wrong with what Tele Vue have to offer. The most you will ever want to add is a Paracorr on a fast Newt, but some people are more annoyed by coma than others and it is primary mirror coma in its purest form, not astigmatism and other aberrations caused by poor eyepieces.
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