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chienma
Joined: 27 Mar 2014
Posts: 9
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 Posted: Wed Apr 27, 2016 1:17 am Post subject: What adapter to NEX should I use? |
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chienma wrote:
Just get this lens: Mamiya/Sekor F.C. 35mm 2.8. I thought it is Exakta mount. However, when I try it on the Exakta to nex adapter, it does not fit? Any idea?
Thanks!
Chien
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IAZA
Joined: 16 Apr 2010
Posts: 2587
Location: Indonesia
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| Posted: Wed Apr 27, 2016 1:54 am Post subject: |
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IAZA wrote:
it looks like exakta type
Check here http://herron.50megs.com/prismat.htm
Topcon also share similar exakta mount, but some adapters (mine is for eos) doesn't fit my topcon RE lenses. need to modify I guess.
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chienma
Joined: 27 Mar 2014
Posts: 9
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| Posted: Wed Apr 27, 2016 2:12 am Post subject: |
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chienma wrote:
That is what I think, but the adapter I buy from rainbowimaging does not fit correctly.
http://www.ebay.com/itm/221979683805?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT |
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Oldhand
Joined: 01 Apr 2013
Posts: 6009
Location: Mid North Coast NSW - Australia
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| Posted: Wed Apr 27, 2016 5:16 am Post subject: |
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Oldhand wrote:
Some exakta adapters allow the lens to rotate into position, but the locking lever fails to engage properly and the lens remains loose enough to become unattached when focusing.
If this is the problem then the little hook on the lever needs to be slightly filed to allow it to engage the pin on the lens.
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chienma
Joined: 27 Mar 2014
Posts: 9
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| Posted: Thu Apr 28, 2016 1:56 am Post subject: |
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chienma wrote:
Thanks! But, it seemed to me that the bayonet "lips" can't "fit" into the adapter when I turn. Not sure where the problem is 
Anyone else has experience on those Mamiya/Sekor F.C. lenses?
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Tervueren
Joined: 18 May 2011
Posts: 1177
Location: West Sussex, United Kingdom
Expire: 2014-11-08
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| Posted: Thu Apr 28, 2016 7:58 am Post subject: |
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Tervueren wrote:
Try using a marking pen, I suspect a faulty adapter, the marker pen should show where you can try 'adjusting' it
you could also try removing the face from the adapter and trying that on its own which will let you see more easily what's going on |
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scsambrook
Joined: 29 Mar 2009
Posts: 2167
Location: Glasgow Scotland
Expire: 2011-11-18
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| Posted: Thu Apr 28, 2016 12:11 pm Post subject: |
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scsambrook wrote:
I think this might not be Exakta fitting after all. Wasn't there an early 1960s Mamiya-made SLR badged as Argus (or some other trade mark from a major retailer) that had a lens mount that resembled the Exakta one but which was not actually compatible? I certainly do recall adverts for the camera with the 'Exakta-style' lens on it.
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Stephen
Equipment: Pentax DSLR for casual shooting, Lumix G1 and Fuji XE-1 for playing with old lenses, and Leica M8 because I still like the optical rangefinder system. |
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woodrim
Joined: 14 Jan 2010
Posts: 4060
Location: Charleston
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| Posted: Thu Apr 28, 2016 2:20 pm Post subject: |
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woodrim wrote:
I believe scsambrook is correct. If the register is same or close to M42 and the exakta-like mount comes close to fitting inside the M42 adapter, maybe it can be modified to work (lens mount or adapter).
Just FYI, I had trouble with an Exakta adapter, then replaced it with one from RainbowImaging and the Rainbow one works very well.
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Woodrim |
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