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TL2101
professor emeritus
Reged: 09/17/10
Loc: Concord, Ca
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1.25" Visual Backs for a C8
#4541575 - 04/24/11 06:15 PM
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Is there a quality 1.25” visual back available for a Celestron C8 SCT? The one that came with my C8 only has 1 thumbscrew and I would like one with a compression ring if possible.
I like my 1.25” Vixen diagonal and don’t have a need for a 2” diagonal. Or do they make a 1.25” adapter for a 2” visual back?
Thanks
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Mark9473
Postmaster
   
Reged: 07/21/05
Loc: 51°N 4°E
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Re: 1.25" Visual Backs for a C8
[Re: TL2101]
#4541650 - 04/24/11 06:50 PM
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I recommend a Baader ClickLock clamp; the necessary adapter to SC thread is at the bottom of that page.
If you think you might ever want to try a 2" diagonal, then go for a 2" ClickLock right away.
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TL2101
professor emeritus
Reged: 09/17/10
Loc: Concord, Ca
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Re: 1.25" Visual Backs for a C8
[Re: Mark9473]
#4543231 - 04/25/11 01:53 PM
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Thanks those Baaders look nice but I was hoping for just a plain 1.25" visual back with a compression ring. It doesn't look like anyone makes one.
My older Celestron VB only has one thumbscrew and it looks like the new Celestron VB has two. For now I will just order the newer version and see how well it works.
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wormstar
scholastic sledgehammer
Reged: 11/23/09
Loc: Central Ct
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Re: 1.25" Visual Backs for a C8
[Re: TL2101]
#4543436 - 04/25/11 03:24 PM
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Did you check Astro-physics?? I know they make a 3 screw back for the bigger M and C scts.
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Kfrank
Pooh-Bah
Reged: 12/20/08
Loc: Northern Colorado
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Re: 1.25" Visual Backs for a C8
[Re: TL2101]
#4543515 - 04/25/11 04:04 PM
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Crawford Machine will make you a visual back with a compression ring.
http://crawmach.com
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TL2101
professor emeritus
Reged: 09/17/10
Loc: Concord, Ca
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Re: 1.25" Visual Backs for a C8
[Re: Kfrank]
#4543909 - 04/25/11 07:51 PM
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I looked at Astro-Physics and everywhere else I could think of. Lots of choices for 2" visual backs but not 1.25". I doubt I will ever go to a 2" eyepiece with my C8 so I don't see the need to get a 2" diagonal.
I am thinking Crawford Machine would charge more than I would want to spend to do a one off part? Or would they? I will send them an email and check it out. Thanks
Edited by TL2101 (04/25/11 07:55 PM)
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AhBok
sage
Reged: 12/02/10
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Re: 1.25" Visual Backs for a C8
[Re: TL2101]
#4544379 - 04/25/11 11:45 PM
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What I and many others have done is use a 2" SCT adapter with a 2"-1.25" compression ring adapter in that. I don't know that I would purchase that solution since a decent 2" dielectric diagonal such as Astro-Tech is not too expensive. But many of us have all kinds of adapters lying around.
AhBok
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