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 Post subject: binoviewers
PostPosted: Sat Feb 24, 2018 1:20 pm 
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Joined: Tue Dec 05, 2017 11:53 am
Posts: 475
I have w.o binoviewers, I also have binoculars which I have NO problem adjusting

Can anyone advise why it is that for some reason when I have 100% perfect focus on the left I am unable to get the right side to go "in" enough, it comes to the end of travel just mm from screwing down enough, help appreciated.

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Celestron 8" Edge HD Evolution, Esprit 120mm triplet, 72mm APO, Sky Tee 2, 6" reflecting scope, William Optics Binoviewer, Quark Daystar Ha Chromosphere on 72mm ED, LVW8mm eyepiece and Celestron 19mm Axiom, matched W.O 10 and 20mm, and a few others, D4s, D810,

For info, I am Autistic, Aspergers, ADHD, therefore if I come over as a little "short" on occasions it is not intended, thank you


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 Post subject: Re: binoviewers
PostPosted: Sat Feb 24, 2018 4:13 pm 
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Joined: Mon Jan 18, 2010 9:25 am
Posts: 5267
Your eyes have different dioptre correction and/or the light path length can differ both sides depending on binoviewer design.
Beamsplitter?

It might work with a Barlow or different eyepieces.

Or possibly if you wear glasses, or take them off if you normally wear them.

Regards,
David


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 Post subject: Re: binoviewers
PostPosted: Sat Feb 24, 2018 4:41 pm 
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Joined: Tue Dec 05, 2017 11:53 am
Posts: 475
Forget it, I am a MORON, I didn't know you can adjust BOTH sides unlike binoculars

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Celestron 8" Edge HD Evolution, Esprit 120mm triplet, 72mm APO, Sky Tee 2, 6" reflecting scope, William Optics Binoviewer, Quark Daystar Ha Chromosphere on 72mm ED, LVW8mm eyepiece and Celestron 19mm Axiom, matched W.O 10 and 20mm, and a few others, D4s, D810,

For info, I am Autistic, Aspergers, ADHD, therefore if I come over as a little "short" on occasions it is not intended, thank you


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 Post subject: Re: binoviewers
PostPosted: Sat Feb 24, 2018 10:29 pm 
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Joined: Mon Jan 18, 2010 9:25 am
Posts: 5267
Many binoculars are independent eyepiece focus rather than centre focus.
Particularly military and marine ones.

Regards,
David


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