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Old 02-06-2013, 01:56 PM
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JohnH
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Join Date: Feb 2005
Location: NSW
Posts: 1,226
Quote:
Originally Posted by Lee View Post
.... there is more info at the "Losmandy German Equatorial Mounts" yahoo group....
Yup I have been there - I was hoping for local experiances though. From my reading it looks like the Losmandy OPWB solves only one issue - that is the 76s wobble you may get if your worm blocks are out of alignement. The Ovision uint has a better worm and will reduce PE - by how much is not clear precisely but in my case by perhaps halving it or less. The 76s error is also gone. I am 90% convinced the Ovision is worth the extra $$. I image at 2000mm so a smooth, slow chnging PE is going to make my guiding easier.
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