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Old 23-12-2013, 07:26 PM
gb_astro
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Join Date: Mar 2008
Location: Sydney
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Quote:
Originally Posted by Wavytone View Post
Some eyepieces work as well as they do in fast (f/4) Newtonians because to some extent they have a modest amount of negative coma and a curved field to match. This appears to be the case with the Explore Scientific eyepieces, the TV Naglers, Delos and Ethos.
Anything is possible of course but I think Televue would be more concerned with optimising their eyepieces for their own line of refractors.
I really can't see them reversing curvature and adding coma to match third party newtonians.

gb.
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