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Jon Isaacs
Postmaster
Reged: 06/16/04
Posts: 12070
Loc: San Diego, California
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Re: Astro-Tech 102ED
02/01/08 03:43 PM
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Hello and thank you all for your kind words. I had fun doing this review and as time went on I began to trust the scope more and more and now the reality is that in the last month I haven't used the 80mm Megrez II FD, it stays in it's case.
Answers to a few questions and make a few comments..
- I believe the optics are the same as the Orion scope though the focuser may be different.
- I may be getting the opportunity to test the AT-111EDT.
- Tom 
- Phil: I did see you write up in the refractors section of the SV-102ED and your experiences seemed like we were working with essentially the same scope...
- CDS: My Astro-View EQ-3 is plenty solid for visual though it does sit on a Vixen Super Polaris wooden tripod.
As far as the photo of the two cases, I think it would be somewhat misleading. The WO 80mm Megrez II FD is a 555mm focal length scope but it is built into a 480mm FL OTA and then a extender tube on the focser is used to add that extra length. I don't like that aspect, it puts the focuser too far forward and it risks vignetting but it does make for a shorter scope. I think my case would be smaller than your 80mm.
I like the fact that the AT-102ED uses a full length tube rather than the extender tube but it makes for a longer scope. The AT-102ED case is a full sized case designed for the scope plus a 2 inch diagonal so it is much larger. Since you would not be getting a case with the Orion scope, the photo are probably a better judge of the relative size.
Make no mistake though, this is a considerably bigger scope but it is still a very reasonable size, when I went out this morning with my wife and house guest to look at Jupiter and Venus, this was the one.
Clear skies ahead...
Jon
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