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Old 23-01-2021, 11:44 AM
bigjoe (JOSEPH)
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Join Date: Nov 2010
Location: sydney
Posts: 1,363
Quote:
Originally Posted by Tropo-Bob View Post
I have had several 4mm orthos over the years, but never liked any of them. Their eye-relief is just too small. I do have a 5mm KK and am happy with it.

My favourite Ortho is a 9mm. The 9mm can easily be converted into a 4.5 or 3mm with a barlow. Indeed, I used a 9mm with a 3X barlow to obtain my best views of Mars this year.
+1 for good Abbes Bob ..most of us are too obsessed with widefields and their compromises however small..9,12.5 and 18 are great barlowed.
Bigjoe.
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