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Nikon T-Adapter To Fit A Baader 2" Click-Lock Visual Back

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#1 BeltofOrion

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Posted 28 March 2020 - 07:41 PM

I have the Baader 2" Click-Lock Visual Back on my Celestron 1100 Edge HD and it is one of the best accessories I have ever spent money on.  I also have the Celestron T-adapter for the C11 (part #93646)  and the T ring for my Nikon cameras. However, anytime I want to use that T-adapter and T-ring, I have to remove the Baader Click-Lock Visual Back first and screw on the T-adapter. ( I also had a bad experience with that a while back and had that T-adapter ring lock on to the scope and I had difficulty removing it). So, would anyone know if there is a T-adapter with a 2 inch nosepiece made for Nikon that will slip into the Baader Click-Lock visual back? Of course, the Celestron T-adapter is constructed so that the correct amount of back focus is built in. So any such T-adapter ... if it exists ... would have to be long enough to accomodate that back focus.


Edited by BeltofOrion, 28 March 2020 - 07:42 PM.


#2 bridgman

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Posted 28 March 2020 - 08:41 PM

I believe what you need is called a 2" nosepiece with T threads:

 

https://agenaastro.c...ad-adapter.html

 

https://agenaastro.c...16-2408150.html

 

Should work with your existing T ring... just goes into the ClickLock visual back rather than the C11 threads.


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#3 BeltofOrion

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Posted 28 March 2020 - 09:18 PM

I believe what you need is called a 2" nosepiece with T threads:

 

https://agenaastro.c...ad-adapter.html

 

https://agenaastro.c...16-2408150.html

 

Should work with your existing T ring... just goes into the ClickLock visual back rather than the C11 threads.

Yes, I found those ... also similar ones on Amazon. But they don't appear to be long enough. The 2'' would be great for fitting into the Baader Click-Lock, but I don't think I would be able to reach focus with it.



#4 msl615

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Posted 28 March 2020 - 09:33 PM

You just need to order a simple T2 extension tube (male/female ends) to make the adapter from AgenaAstro long enough. You can get them in all sorts of lengths. I keep a box of them with different lengths so that I can mix n match them for what I need. 

 

Mike


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#5 bridgman

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Posted 28 March 2020 - 09:35 PM

AFAIK it shouldn't be a problem unless you are using a focal reducer, where backspacing is really important.

 

Worst case you would just need to add some T-thread extension rings.

 

BTW I mentioned using your existing T-ring - not sure if the Celestron T-adapter is 42mm or 48mm but worth checking.


Edited by bridgman, 28 March 2020 - 09:36 PM.

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#6 BeltofOrion

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Posted 28 March 2020 - 10:04 PM

AFAIK it shouldn't be a problem unless you are using a focal reducer, where backspacing is really important.

 

Worst case you would just need to add some T-thread extension rings.

 

BTW I mentioned using your existing T-ring - not sure if the Celestron T-adapter is 42mm or 48mm but worth checking.

I notice some of those adapters like you mentioned already have the Nikon T-Ring built in. By the way, the Celestron .7 focal reducer is not supposed to add anything to the back focus.



#7 BeltofOrion

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Posted 28 March 2020 - 10:15 PM

You just need to order a simple T2 extension tube (male/female ends) to make the adapter from AgenaAstro long enough. You can get them in all sorts of lengths. I keep a box of them with different lengths so that I can mix n match them for what I need. 

 

Mike

Thanks. Mike. You wouldn't happen to have a link, I suppose? I've found lots on Amazon.com ... but they don't ship to Canada. And I can't find them on Amazon.ca.

 

Scratch that ... I just found them on Amazon.ca.

 

Thanks again.


Edited by BeltofOrion, 28 March 2020 - 10:17 PM.


#8 bridgman

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Posted 28 March 2020 - 10:22 PM

IIRC I bought my extension rings from here:

 

https://www.ontariot...ions_c_421.html


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#9 Carl N

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Posted 29 March 2020 - 08:20 AM

Thanks. Mike. You wouldn't happen to have a link, I suppose? I've found lots on Amazon.com ... but they don't ship to Canada. And I can't find them on Amazon.ca.

Scratch that ... I just found them on Amazon.ca.

Thanks again.


I bet Agena Astro ships to CAN.

They are a great parts resource


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