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jamaeolus
Joined: 19 Mar 2014
Posts: 2929
Location: Eugene
Expire: 2015-08-20
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 Posted: Mon Jul 26, 2021 7:07 pm Post subject: mount query |
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jamaeolus wrote:
Anybody recognize this mount?
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benadamx
Joined: 25 Feb 2019
Posts: 329
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| Posted: Mon Jul 26, 2021 8:54 pm Post subject: |
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benadamx wrote:
unusual to have that bayonet with no shoulder behind it |
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visualopsins
Joined: 05 Mar 2009
Posts: 10541
Location: California
Expire: 2025-04-11
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| Posted: Mon Jul 26, 2021 9:19 pm Post subject: |
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visualopsins wrote:
Guessing Exacta (third photo) https://translate.google.com/translate?sl=ru&tl=en&u=http://lens-club.ru/lenses/item/c_4704.html
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Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (51BB), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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jamaeolus
Joined: 19 Mar 2014
Posts: 2929
Location: Eugene
Expire: 2015-08-20
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| Posted: Mon Jul 26, 2021 9:25 pm Post subject: |
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jamaeolus wrote:
I really doubt it is exakta. I have one of these in exakta and it looks nothing like this The exakta bayonet is a bit smaller than the barrel on the piesker 135 3.5. On this example the bayonet flange seems quite a bit larger.
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jamaeolus
Joined: 19 Mar 2014
Posts: 2929
Location: Eugene
Expire: 2015-08-20
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| Posted: Mon Jul 26, 2021 9:34 pm Post subject: |
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jamaeolus wrote:
Maybe one of the MF bayonets?
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Oldhand
Joined: 01 Apr 2013
Posts: 6009
Location: Mid North Coast NSW - Australia
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| Posted: Mon Jul 26, 2021 10:14 pm Post subject: |
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Oldhand wrote:
Looks like a breech ring camera mount.
That could narrow the search
Sorry, I cannot tell which
Tom |
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Lightshow
Joined: 04 Nov 2011
Posts: 3669
Location: Calgary
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| Posted: Tue Jul 27, 2021 5:44 am Post subject: |
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Lightshow wrote:
It looks like there is an adapter mounted on to it the finish doesn't match the main part of the body, so, I think it could be Exakta or M42 hiding inside, my guess is M42.
Just found this: http://forum.mflenses.com/piesker-lens-early-t-mount-system-t41396.html
http://forum.mflenses.com/piesker-picon-135mm-f3-5-on-nex-5n-in-oriental-style-t64688,highlight,%2Bpiesker+%2Bpicon+%2B135mm+%2Bf3+%2B5+%2Bnex.html
M42:
Exakta:
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Lightshow
Joined: 04 Nov 2011
Posts: 3669
Location: Calgary
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| Posted: Tue Jul 27, 2021 6:06 am Post subject: |
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Lightshow wrote:
Looks like the adapted mount is B4.
https://www.sportsvideo.org/2015/04/22/b4-long/
https://www.streamingmedia.com/Producer/Articles/ReadArticle.aspx?ArticleID=80668&PageNum=2
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All B4s are Not Created Equal
The B4 mount describes a standardized three-flange, pinned, bayonet mount between the lens and camera. However, this mount is used on cameras and lenses built to serve 1/3", 1/2" and 2/3" sensors. Typically, you want a lens designed for the biggest sensor so you get the biggest circle of light on your sensor. You'll want a B4 lens designed to work on 2/3" cameras. This lens produces a larger "circle of light" or image area, than those designed for, say, the 1/3" camcorders. |
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One photographers junk lens is an artists favorite tool.
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Alun Thomas
Joined: 20 Aug 2018
Posts: 631
Location: New Zealand
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| Posted: Tue Jul 27, 2021 11:00 pm Post subject: |
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Alun Thomas wrote:
Piesker must have made adapters for many different systems for there lenses. Here's one for the copy I had. I have now sold the lens and never did find out exactly what it was to fit.
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jamaeolus
Joined: 19 Mar 2014
Posts: 2929
Location: Eugene
Expire: 2015-08-20
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| Posted: Wed Jul 28, 2021 3:43 am Post subject: |
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jamaeolus wrote:
Lightshow's post seems most likely.
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