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D. P.
Joined: 26 Apr 2015
Posts: 175
Location: Mongolia
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 Posted: Wed Dec 04, 2024 12:25 pm Post subject: Can you identify this lens? |
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D. P. wrote:
Hi guys, i need your expert opinions.
Does anyone know what this is or have experienced the same thing?
The seller doesn't know what it is, he's selling it for $10.
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alex ph
Joined: 16 Mar 2013
Posts: 1686
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| Posted: Wed Dec 04, 2024 2:48 pm Post subject: |
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alex ph wrote:
It looks like a lens for areal camera or missile targeting device. |
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D. P.
Joined: 26 Apr 2015
Posts: 175
Location: Mongolia
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| Posted: Wed Dec 04, 2024 5:26 pm Post subject: |
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D. P. wrote:
| alex ph wrote: |
| It looks like a lens for areal camera or missile targeting device. |
I highly doubt that a missile guidance system needs a 10-blade manually controlled diaphragm, as well as markings indicating the focal length and aperture ratio. |
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alex ph
Joined: 16 Mar 2013
Posts: 1686
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| Posted: Wed Dec 04, 2024 5:58 pm Post subject: |
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alex ph wrote:
You never know what or who really guided missiles in the 1950s... |
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stevemark
Joined: 29 Apr 2011
Posts: 4213
Location: Switzerland
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| Posted: Wed Dec 04, 2024 6:03 pm Post subject: |
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stevemark wrote:
| D. P. wrote: |
I highly doubt that a missile guidance system ... |
Me too 
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simple.joy
Joined: 30 May 2022
Posts: 701
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| Posted: Wed Dec 04, 2024 6:29 pm Post subject: |
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simple.joy wrote:
It does look like some kind of repro-lens to me. I‘ve seen Agfa Colostars in similar mountings, several Zeiss lenses, some french lenses (Boyer, Angenieux) and finally Kodak Ektars as well. Some without, some with variable diaphragm.
Don‘t know the exact use case for all those lenses but it might have varied between early microfilm reduction, enlarging, industrial inspection, repro- and copy work…
There are some aerial lenses which look similar but not identical and those were clearly made for smaller formats (16 mm). The ones for 35 mm film and bigger are usually significantly larger (and faster) and most have different mounting solutions.
It could still be from some military application, but I doubt it‘s from an air-based one.
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BurstMox
Joined: 04 Dec 2011
Posts: 2019
Location: France
Expire: 2016-08-02
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| Posted: Wed Dec 04, 2024 9:17 pm Post subject: |
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BurstMox wrote:
It's a 50mm/3.5 lens for soviet S-13 Photogun.
http://www.photohistory.ru/1545747377700659.html
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simple.joy
Joined: 30 May 2022
Posts: 701
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| Posted: Wed Dec 04, 2024 9:32 pm Post subject: |
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simple.joy wrote:
Very interesting! Seems like I was completely off - indeed air based and used in combination with a gun. Thanks for sharing!
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D. P.
Joined: 26 Apr 2015
Posts: 175
Location: Mongolia
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| Posted: Wed Dec 04, 2024 11:52 pm Post subject: |
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D. P. wrote:
Thank you! |
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jamaeolus
Joined: 19 Mar 2014
Posts: 2995
Location: Eugene
Expire: 2015-08-20
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| Posted: Thu Dec 05, 2024 4:28 pm Post subject: |
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jamaeolus wrote:
Would be a fun project to try to clean up and mount on mirrorless.
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kathala
Joined: 13 May 2022
Posts: 145
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| Posted: Thu Dec 05, 2024 5:40 pm Post subject: |
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kathala wrote:
| jamaeolus wrote: |
| Would be a fun project to try to clean up and mount on mirrorless. |
or just buy an Industar-22 
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alex_d
Joined: 19 Jan 2019
Posts: 433
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| Posted: Tue Dec 10, 2024 9:02 am Post subject: |
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alex_d wrote:
The fascination with any glass that doesn't involve traditional camera coupling and the desire to test it is quite grandiose
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