Leica LTM 135mm Hekor and Elmar, same helicoid?

Leica M39 screw mount bodies/lenses

mystichobo

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Nov 29, 2017
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Hi guys!

I have a lovely Elmar 135mm in visoflex M mount. Does anyone know if I could put it in a Hektor's Helicoid/Mount to use on my iiF?

The only reason I considered it could be an option is that the visoflex adapter says that is can have both the hektor and elmar lens heads, so I assume they are set up at the same distance from the film plane and with the same threading etc.
 
Here’s half an answer to your question. The focussing mount on my Hektor measures 92.87 mm flange-to-flange at infinity, 99.31 mm at 10 ft and 107.48 mm at 5 ft, with a 317˚ rotation. If anyone can provide equivalent measurements for a 13.5 cm Elmar, you’ll have a complete answer.
 

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