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Equipment Discussions >> Binoviewers

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thesubwaypusher
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Reged: 07/08/04

Loc: New York City
FSQ-106 adapter... new
      #5522957 - 11/16/12 01:54 PM Attachment (33 downloads)

Hi, does anyone know what adapter I can use to mate these two surfaces? One is the back of the 106ED (male) and the other is the front of the 2" Baader PRISM diagonal (female). I looked on the TNR site but they really don't explain specifically enough what fits what.

Thanks, Chris


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Eddgie
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Reged: 02/01/06

Re: FSQ-106 adapter... new [Re: thesubwaypusher]
      #5523189 - 11/16/12 04:54 PM

Didn't the telescope come with a 2" diagonal adapter?

If so, you only need the Baader 2" nose peice. This screws to the diagonal body and inserts into the diagonal holder.

Alpine Astro usually has these:

T2-16 2" Nosepiece


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Tamiji Homma
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Reged: 02/24/07

Loc: California, USA
Re: FSQ-106 adapter... new [Re: thesubwaypusher]
      #5523313 - 11/16/12 06:47 PM

Hi Chris,

You can go to Precise Parts web site and build custom Takahashi M92 Female thread -> T2 Male thread adapter.

http://www.preciseparts.com/ppmain/cgi-bin/adapter

You choose Tak FEQ-106ED with TKP36001 on left, Baader T2 Prism on right.
I think you would need 15mm-ish length. That's what I would make if I had FSQ-106ED.

I am not 100% positive that you could come to focus to infinity without GPC (or even with 1.25x GPC), though.

Good luck.

Tammy


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tomcody
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Re: FSQ-106 adapter... new [Re: thesubwaypusher]
      #5523425 - 11/16/12 08:24 PM

You need the coupling (as shown on the Tak America web site FSQ106ED visual system chart) #8, TPQ1061 - this should have come with your scope and is female 92mm to female 72mm
AND:
A Fieldstein #4 adapter TCD0008, this is male 72mm to male T-thread.
That will do it but note, you may need to space out the T-thread for clearance of the bino body, I use either a Baader 7.5 mm T-thread extension (available at Alpine Astro or the Baader quick coupling for the Mark V or Maxbrights (recommended so you can adjust the final angle of the tightened diagonal as I don't see a CAA on your scope. (edit: I just noted the captains wheel on your scope for final angle adjustment)
Rex

Edited by tomcody (11/16/12 08:28 PM)


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tomcody
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Re: FSQ-106 adapter... new [Re: Tamiji Homma]
      #5524148 - 11/17/12 10:58 AM

Quote:


I am not 100% positive that you could come to focus to infinity without GPC (or even with 1.25x GPC), though.

Good luck.

Tammy



As for coming to focus:
Your scope is listed as having 178 mm of in-focus
less about 2mm for the 92-92mm adapter on the focuser
less about 3 mm for the coupler (92-72mm)
less about 5mm for the Feildstein #4 adapter
Leaving you with about 168 mm of usable in-focus.
The Mark V's (including the quick release coupling are listed at 123 mm,
the Baader Zeiss prism is listed at 41mm,
total for the MarkV and Baader/Zeiss prism = 164 mm
(allow 5-10 mm {recommended by Baader} for differences in eyepieces and your eyes, and you are close, maybe yes, maybe no ).
If you use the 1.25 GPC, the total for the Mark V/Baader-Zeiss prism is about 147 mm (+ the 5-10 for adjustments and 7.5 for a T-thread extender to allow the bino body to swivel if you need it, total (including 7.5mm extension )= about 165.5, so you should be good !
Rex


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thesubwaypusher
scholastic sledgehammer
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Reged: 07/08/04

Loc: New York City
Re: FSQ-106 adapter... new [Re: Eddgie]
      #5524398 - 11/17/12 01:48 PM

Quote:

Didn't the telescope come with a 2" diagonal adapter?

If so, you only need the Baader 2" nose peice. This screws to the diagonal body and inserts into the diagonal holder.

Alpine Astro usually has these:

T2-16 2" Nosepiece




Thanks Ed, but that takes up much too much travel.


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thesubwaypusher
scholastic sledgehammer
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Reged: 07/08/04

Loc: New York City
Re: FSQ-106 adapter... new [Re: Tamiji Homma]
      #5524409 - 11/17/12 01:54 PM

Quote:

Hi Chris,

You can go to Precise Parts web site and build custom Takahashi M92 Female thread -> T2 Male thread adapter.

http://www.preciseparts.com/ppmain/cgi-bin/adapter

You choose Tak FEQ-106ED with TKP36001 on left, Baader T2 Prism on right.
I think you would need 15mm-ish length. That's what I would make if I had FSQ-106ED.

I am not 100% positive that you could come to focus to infinity without GPC (or even with 1.25x GPC), though.

Good luck.

Tammy




Hi Tammy:

Before I went to PP, I wanted to see if anyone knew what parts to use so I could just buy them and be done with it. I will first investigate Tom's suggestion and then PP and eventually post results.

Thank you!

Chris


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thesubwaypusher
scholastic sledgehammer
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Reged: 07/08/04

Loc: New York City
Re: FSQ-106 adapter... new [Re: tomcody]
      #5524416 - 11/17/12 01:56 PM

Quote:

Quote:


I am not 100% positive that you could come to focus to infinity without GPC (or even with 1.25x GPC), though.

Good luck.

Tammy



As for coming to focus:
Your scope is listed as having 178 mm of in-focus
less about 2mm for the 92-92mm adapter on the focuser
less about 3 mm for the coupler (92-72mm)
less about 5mm for the Feildstein #4 adapter
Leaving you with about 168 mm of usable in-focus.
The Mark V's (including the quick release coupling are listed at 123 mm,
the Baader Zeiss prism is listed at 41mm,
total for the MarkV and Baader/Zeiss prism = 164 mm
(allow 5-10 mm {recommended by Baader} for differences in eyepieces and your eyes, and you are close, maybe yes, maybe no ).
If you use the 1.25 GPC, the total for the Mark V/Baader-Zeiss prism is about 147 mm (+ the 5-10 for adjustments and 7.5 for a T-thread extender to allow the bino body to swivel if you need it, total (including 7.5mm extension )= about 165.5, so you should be good !
Rex




Hi Rex:

Thank you very much, that was very kind of you. I will get on that as soon as I get a chance and eventually post results for the next person who needs them.

Chris


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tomcody
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Re: FSQ-106 adapter... new [Re: thesubwaypusher]
      #5525323 - 11/18/12 12:04 AM

Chris, one more tip, if you are using an alt-az mount and do not need to swivel the bino body? (due to the awkward position the scope ends up in on a GEM). Then instead of a spacer between the Feildstein #4 adapter and the diagonal, you may want to consider a Baader T-2 Spacer Ring Set, 15 Rings (# T2RING) (which is available at Alpine Astro) . This set of T-thread spacer washers will allow you to set the angle where the diagonal tightens up on the Feildstein adapter by choosing the correct thickness washer. Note as T-thread is .75mm thread pitch, every multiple of that is one full turn.
P.S. the inner diameter of these washers is quite tight and you may need a little force to stretch them (they are plastic) over the threads. I use a small screw driver to help them on and off.
Also: you can use the same set of washers to move the Mark V quick lock screw away from the body of the scope ( I see that it is pointing toward the scope and in a hard to reach position in your picture).
Rex

Edited by tomcody (11/18/12 12:08 AM)


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thesubwaypusher
scholastic sledgehammer
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Reged: 07/08/04

Loc: New York City
Re: FSQ-106 adapter... new [Re: tomcody]
      #5527848 - 11/19/12 12:27 PM

Thanks Rex, I just ordered them!

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thesubwaypusher
scholastic sledgehammer
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Reged: 07/08/04

Loc: New York City
Re: FSQ-106 adapter... new [Re: tomcody]
      #5548939 - 12/01/12 02:59 PM Attachment (10 downloads)

Quote:

Quote:


I am not 100% positive that you could come to focus to infinity without GPC (or even with 1.25x GPC), though.

Good luck.

Tammy



As for coming to focus:
Your scope is listed as having 178 mm of in-focus
less about 2mm for the 92-92mm adapter on the focuser
less about 3 mm for the coupler (92-72mm)
less about 5mm for the Feildstein #4 adapter
Leaving you with about 168 mm of usable in-focus.
The Mark V's (including the quick release coupling are listed at 123 mm,
the Baader Zeiss prism is listed at 41mm,
total for the MarkV and Baader/Zeiss prism = 164 mm
(allow 5-10 mm {recommended by Baader} for differences in eyepieces and your eyes, and you are close, maybe yes, maybe no ).
If you use the 1.25 GPC, the total for the Mark V/Baader-Zeiss prism is about 147 mm (+ the 5-10 for adjustments and 7.5 for a T-thread extender to allow the bino body to swivel if you need it, total (including 7.5mm extension )= about 165.5, so you should be good !
Rex




Rex, you were right on the money, thanks!

Problem solved!

Chris


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tomcody
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Reged: 07/06/08

Loc: Titusville, Florida
Re: FSQ-106 adapter... new [Re: thesubwaypusher]
      #5549331 - 12/01/12 08:00 PM

Your welcome Chris. Glad it all worked for you. How are the views?
Rex


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thesubwaypusher
scholastic sledgehammer
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Reged: 07/08/04

Loc: New York City
Re: FSQ-106 adapter... [Re: tomcody]
      #5549662 - 12/02/12 12:30 AM

Quote:

Your welcome Chris. Glad it all worked for you. How are the views?
Rex




I only had a chance to use them in the city and all I can say is the views at such low mag are BRIGHT!


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