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Originally Posted by chunkylad
Hi guys'n'gals
I can understand no-one having used the University optics OPS Ortho eps,  but surely someone has had some experience with William optics 'Swan' widefield eps  , enough to comment on their performance at least.
I have ordered a 9mm UO OPS ep from Frontier Optics. It should be here in a couple of weeks. Will give you all a comparison with my two GS short f/l plossls (6 & 4mm). I have my 2x 2" barlow to use with it. If it's good, I may opt for another barlow - 2.5x or 3x.
Cheers |
Hi Dave , PM (ausastronomer) A.K.A john B. , he is our expert on University Ortho's I'm sure he just hasn't seen this thread as yet .