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Showing results for tags 'microfocuser'.
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Firstly, i must say how much i love mine... It's so much better than the stock focuser, it's made and finished beautifully. I've studied the install info and video carefully and am sure it's fitted correctly, it loses about 7 mm of backward focus compared to stock. I only noticed this when i couldn't get my asi224 on a televue 2 x Barlow to focus without pulling the Barlow out of scope a bit . Has anyone else noticed this ? I'll post some pics at weekend.
Hi! A little thing bothers me since I read the pages of telescope stores: some microfocusers are said to have a 1 to 10 reduction, others a 1 to 11 reduction. I thought, why? They seem identical from the outside, and since they probably come from the same subcontractor, why the difference? This added a little curiosity when I ordered my first apo: aside from the optics and the mechanical fitting, I wanted to know if the fine focuser wheel would really turn that odd number of times when the coarse focus wheel would turn once. Well, my focuser is really a 1:10, I counted like a schoolboy, and there's no room for error. I have no idea why they advertised it as a 1:11 (not that it matters much when you focus but it's a curio). It reminds me of a syfy novel where the Psychlos, an alien race which invaded Earth thanks to much advanced technology, used math based on the number eleven instead of the simpler and more natural number 10. That was just to make their weaponry's math annoying to races who would study it in order to revolt. So, are your focusers Psychlo outposts on Earth, or is this strange math just a typo that went unchecked and repeated?
Anybody from the UK ever buy a Feathertouch Microfocuser from the US? I’m considering replacing my Baader Steeltrack with the Feathertouch. Comparing prices in the UK against suppliers in the US it seems that it might be beneficial to buy direct from the US, especially considering that as a CN member you get 10% discount from Astronomics. If the package is small enough it might just get by customs as well