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Old 25th June 2020, 04:34 PM
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Default Mamiya-Sekor 105mm f3.5 lens

The lens in these pictures was given to me by a neighbour this afternoon. He has no idea of its origins, it was in a box of odds and ends (bric a brac he calls it) he acquired and wondered if I had a use for it. The lens board is plain wood.

Iíve tried Mr Google and drawn a blank ... anyone any ideas?
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Last edited by DaveInElland; 25th June 2020 at 04:39 PM.
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Old 25th June 2020, 05:46 PM
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A Japanese YouTube site shows a very similar lens but in a mounting for some kind of TLR and a somewhat different kind of shutter.

https://www.youtube.com/watch?v=8xqciGjcvK4

But, as it has a Copal Press shutter, it could be more at home in something like this Mamiya Press-S camera.

https://item.rakuten.co.jp/filmcameratokyo/20622280/
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Old 25th June 2020, 06:19 PM
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Do these help?
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Old 25th June 2020, 06:31 PM
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In order to see if there is an adapter, you'd need to unscrew the front element and see if there is an additional ring.
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Last edited by MartyNL; 25th June 2020 at 06:35 PM.
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Old 25th June 2020, 06:35 PM
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Quote:
Originally Posted by MartyNL View Post
Sorry Dave, I can't find a reference to the mamiya press having a 105mm or the Polaroid 600 SE so I deleted my message. I have both the mamiya press and the tlr but I'm at a bit of a loss.

In order to see if there is an adapter, you'd need to unscrew the front element and see if there is an additional ring.
Seems to be a single unit, I certainly canít unscrew anything further
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Old 25th June 2020, 06:45 PM
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Ok. Then I think I will check and see if any of my mamiya press lenses fit into shutters.

By the way, Nick looks to be right with the Mamiya Press-S.
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Old 25th June 2020, 07:28 PM
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Default Mamiya lens

This looks like the taking lens from a Mamiya 33 to 330f series TLR The taking lens seems to have been removed from the mounting plate - Why I have no idea.) The 105 was thought of as probably the best of all the lenses for the TLR.The viewing lens was quite unique with TLR's too, as it also had a diaphragm.

If you could make a focussing mount for a 35mm camera you will have a superb portrait lens.
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Old 25th June 2020, 07:56 PM
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Quote:
Originally Posted by John King View Post
This looks like the taking lens from a Mamiya 33 to 330f series TLR The taking lens seems to have been removed from the mounting plate - Why I have no idea.) The 105 was thought of as probably the best of all the lenses for the TLR.The viewing lens was quite unique with TLR's too, as it also had a diaphragm.
I have a C3 and could see the similarity but couldnít see why anyone would mount this on what Iím presuming is a LF board?

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If you could make a focussing mount for a 35mm camera you will have a superb portrait lens.
Thanks John, that sounds like an interesting future project!
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