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Old 20-09-2013, 07:28 PM
PeterHA (Peter)
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Location: Glen Waverley, Melbourne
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Takahashi clam shell mounting

All,
I would like to prepare a mounting dovetail for a Takahashi 95mm tube clam shell.
I have only anekdotal information about the mounting holes on the Takahashi clam shells:
One centre threaded hole: what thread?
Two holes with 35mm centre distances: diameter? threaded?

Can the Tak owners please help, thanks?

Regards,

Peter
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Old 21-09-2013, 07:20 AM
Kunama
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Two unthreaded 8.5mm diameter holes @ 35mm centres with a 1/4" 20tpi threaded hole central between them along the 'optical axis' of the clamshell.
They are usually mounted using two M8 (20mm or 25mm long) stainless steel cap-screws

Larger clamshells have four holes with pairs at 35mm centres at 90 degrees to the others.

Note: the 1/4" is to allow them to be mounted directly to most photographic tripods.
There is also a 1/4" threaded screw on top of the clamshell to allow the attachment of a camera or mini ball-head to the clam.

Last edited by Kunama; 21-09-2013 at 08:32 AM.
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Old 21-09-2013, 08:05 AM
PeterHA (Peter)
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Tak Mount

Thanks Matt,

That is the super comprehensive answer I was hoping for.
Very helpfull, thanks.
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  #4  
Old 21-09-2013, 08:32 AM
Kunama
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Most welcome Peter, looking forward to seeing your new scope/mount combo.
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