[AZ-Observing] Re: Eyepiece religions
- From: Brian Skiff <bas@xxxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Wed, 16 Apr 2008 16:06:23 -0700 (MST)
It's too bad the marketplace has made it difficult to
determine actual facts about the eyepiece designs as actually sold,
so as to allow the discussion to be brought into the realm of
quantitative comparison rather than "religion". The US magazines
(at least) provide no such information, and without a pretty good
optical-bench set-up, it would be a lot of work (and expense)
to reverse-engineer the commerical products. Maybe some patent
searches would turn up actual specs you could run into an
optical-design program to yield details about image quality,
color aberrations, field curvature, distortion, etc. I know this
was done for the original Nagler design (it was in an issue of
'Telescope Making' back in the 80s), but what about the many
newer styles that have come out since then?
\Brian
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