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connloyalist
Joined: 22 Jul 2020
Posts: 234
Location: the Netherlands
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 Posted: Thu Apr 01, 2021 10:42 am Post subject: Curiosity: What is a 60mm screw mount? |
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connloyalist wrote:
Out of sheer curiosity: I just stumbled across an eBay listing for a Carl Zeiss Jena 80mm 2.8 Biometar of which the seller says it has a 60mm screw mount (the seller has 4000+ feedback at 99.7%, so I would assume them to be reliable). Looking at the pictures it does appear to be definitely larger than M42.
I don't remember ever reading about a 60mm screw mount, nor am I aware of these CZJ 80mm lenses being made in such a mount (M42, Exakta, Pentacon Six and Praktina as far as I know).
Anyone have an idea on what this is? I have no intention of buying it, but am very curious.
Regards, C. |
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Alex TG
Joined: 13 Oct 2019
Posts: 221
Location: Ukraine
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| Posted: Thu Apr 01, 2021 11:23 am Post subject: |
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Alex TG wrote:
Well, Hasselblad 1600F/1000F (and also the Kiev-88/Salyut) mount can tecnically be described as "screw mount".
Can you share the mount photo from the eBay listing? |
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connloyalist
Joined: 22 Jul 2020
Posts: 234
Location: the Netherlands
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| Posted: Thu Apr 01, 2021 2:03 pm Post subject: |
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connloyalist wrote:
Here is a picture. Carl Zeiss Jena 80mm 2.8 Biometar, with the "60mm mount".
(Anyone who closely follows eBay might recognize the table upon which this picture was taken. In my experience this seller always uses the same table for this purpose).
Regards, C. |
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jamaeolus
Joined: 19 Mar 2014
Posts: 2927
Location: Eugene
Expire: 2015-08-20
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| Posted: Thu Apr 01, 2021 3:52 pm Post subject: |
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jamaeolus wrote:
Biometar are very nice lenses IMHO. I lucked into a buy some years ago for less than 50 bucks. Mine is the Pentacon/Exakta 66 mount though.
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photos are moments frozen in time |
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Alex TG
Joined: 13 Oct 2019
Posts: 221
Location: Ukraine
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| Posted: Thu Apr 01, 2021 6:59 pm Post subject: |
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Alex TG wrote:
Nope, that's not the Hassie/Kiev mount. Never seen this one before.
The body looks like Praktina version, but the rear part is completely different. And that slanted rear barrel confuses me. |
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visualopsins
Joined: 05 Mar 2009
Posts: 10532
Location: California
Expire: 2025-04-11
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| Posted: Thu Apr 01, 2021 7:07 pm Post subject: |
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visualopsins wrote:
Slanted to allow mirror to clear, I think.
Maybe an adapter screwed onto m42 lens. Maybe try to remove it.
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☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ like attracts like! ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮
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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DConvert
Joined: 12 Jun 2010
Posts: 902
Location: Essex UK
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| Posted: Thu Apr 01, 2021 9:25 pm Post subject: |
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DConvert wrote:
One of the few screw mounts I'm aware of that I don't have size info for is the Zeiss Ikon Flektoskop/Flektometer mount.
Could it be that??? |
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casualcollector
Joined: 01 Aug 2008
Posts: 748
Location: Spaced out on Florida's Space Coast
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| Posted: Fri Apr 02, 2021 12:27 am Post subject: |
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casualcollector wrote:
Reflex Korelle?
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In Search Of "R" Serial Soligors
Found: 135/2.8 #R407660, 200/4 #R405526, 300/5.5 #R411127 |
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jamaeolus
Joined: 19 Mar 2014
Posts: 2927
Location: Eugene
Expire: 2015-08-20
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| Posted: Fri Apr 02, 2021 1:06 am Post subject: |
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jamaeolus wrote:
wiki has the "large" reflex korelle as 55mm threads.
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