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Braddanman
Joined: 13 Aug 2012 Posts: 94 Location: UK
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Posted: Thu Jul 11, 2013 8:36 pm Post subject: Strange (to me) lens mount |
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Braddanman wrote:
I recently got off ebay a Minolta X300 camera and two lenses plus bits for a very nice price. £8.50 including the 35-70 f3.5 macro.
The lens that was mounted on the camera is a Miranda (Dixons) 28mm f2.8.
This lens mounts perfectly on the Minolta but the bayonet lugs have cut outs in different places but instead of a sliding lever to stop down it has a pin that presses in like an M42 lens.
Needless to say it doesn't stop down when using on camera.
I've tried on line but can't find anything.
Sorry no photo at the moment.
Any ideas? |
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WolverineX
Joined: 19 Apr 2009 Posts: 1693 Location: Zagreb , Croatia , Europe
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Posted: Thu Jul 11, 2013 9:10 pm Post subject: |
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WolverineX wrote:
well, photo of the mount would surely help
does it resemble any of these mounts?
http://rick_oleson.tripod.com/index-99.html _________________ my tools:Oly E-M5 + 45mm/1.8 + Oly E-520 + 12-60 + 14-42 + 70-300 + Sigma 105mm + FL-50R + EC20 + SRF-11 ring flash
http://forum.mflenses.com/wolverinex-testing-my-lenses-series-link-list-t39524.html |
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Pancolart
Joined: 04 Feb 2008 Posts: 3702 Location: Slovenia, EU
Expire: 2013-11-18
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Posted: Thu Jul 11, 2013 9:16 pm Post subject: |
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Pancolart wrote:
Compare with Rollei QBM like here:
_________________ ---------------------------------
The Peculiar Apparatus Of Victorian Steampunk Photography: 100+ Genuine Steampunk Camera Designs https://www.amazon.com/dp/B0B92829NS |
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Braddanman
Joined: 13 Aug 2012 Posts: 94 Location: UK
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Posted: Thu Jul 11, 2013 9:19 pm Post subject: |
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Braddanman wrote:
No, I've looked there already.
Will try to get a photo on tomorrow, just thought one of the many knowledgable members might know without the need for one. |
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Braddanman
Joined: 13 Aug 2012 Posts: 94 Location: UK
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Posted: Thu Jul 11, 2013 10:08 pm Post subject: |
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Braddanman wrote:
No, it's not a QBM lens either.
I should have waited until I had a photo before posting.
Will add tomorrow.
Thanks |
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nukemall
Joined: 24 Apr 2012 Posts: 96 Location: Blagoveschensk, Russia
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Posted: Fri Jul 12, 2013 1:46 am Post subject: |
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nukemall wrote:
Maybe Mamiya CS/NC:
_________________ My blog |
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Braddanman
Joined: 13 Aug 2012 Posts: 94 Location: UK
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Posted: Fri Jul 12, 2013 7:06 pm Post subject: |
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Braddanman wrote:
Here are three photos.
On the left is the Miranda lens and on the right is a minolta MD lens.
The top of the picture would be as mounted on top of the camera.
You can see that the lugs on the Miranda are more to the right but the locking cut out is in the same place.
The Miranda locks on and off a Minolta camera perfectly and the distance marker is in the right place.
At the bottom you can see the aperture pin instead of a lever.
Here's the aperture pin recessed below the bayonet.
The lens itself. A bog standard third party Japanese lens. (I think made for Dixons UK) from the 80's(?)
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Pancolart
Joined: 04 Feb 2008 Posts: 3702 Location: Slovenia, EU
Expire: 2013-11-18
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Posted: Fri Jul 12, 2013 7:28 pm Post subject: |
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Pancolart wrote:
M42 with some adapter screwed on. This Cosina line had mount code first letters of serial number. PP (Praktica & Pentax?) stands for M42. See similar lens here: http://www.rs-photographic.co.uk/product.php?xProd=901 _________________ ---------------------------------
The Peculiar Apparatus Of Victorian Steampunk Photography: 100+ Genuine Steampunk Camera Designs https://www.amazon.com/dp/B0B92829NS |
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luisalegria
Joined: 07 Mar 2008 Posts: 6602 Location: San Francisco, USA
Expire: 2018-01-18
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Posted: Fri Jul 12, 2013 7:58 pm Post subject: |
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luisalegria wrote:
He's right.
This is M42 auto mount with an adapter screwed on.
Some late Mirandas were made in M42, oddly enough, so I expect that they were provided with a a few appropriately badged lenses.
There were M42 adapters for Minolta as the Minolta register is shallower than M42, permitting a flanged adapter like this.
Minolta itself provided M42 adapters.
I wonder about the mount adapter though. It may lock on a Minolta but I doubt it is in fact a proper Minolta adapter.
It seems rather like a mirror image of one. _________________ I like Pentax DSLR's, Exaktas, M42 bodies of all kinds, strange and cheap Japanese lenses, and am dabbling in medium format/Speed Graphic work. |
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Braddanman
Joined: 13 Aug 2012 Posts: 94 Location: UK
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Posted: Fri Jul 12, 2013 7:58 pm Post subject: |
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Braddanman wrote:
You're dead right.
I got my lens spanner on it and it's now (always has been) an M42 lens!
What was the purpose of this because it's only usable wide open as it doesn't stop the lens down to be fully manual?
It fit's the Minolta perfectly. And now it's off it is in fact a genuine Minolta adapter. On the underside it says Minolta P-adapter Japan.
Thanks.
Last edited by Braddanman on Fri Jul 12, 2013 8:02 pm; edited 1 time in total |
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luisalegria
Joined: 07 Mar 2008 Posts: 6602 Location: San Francisco, USA
Expire: 2018-01-18
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Posted: Fri Jul 12, 2013 8:02 pm Post subject: |
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luisalegria wrote:
Most M42 lenses had an auto-manual switch, like the Takumars.
Some late M42 lenses didn't.
Some M42 adapters of the time, and today also, have internal flanges that press the pin and thus can be used with lenses lacking A-M switches. _________________ I like Pentax DSLR's, Exaktas, M42 bodies of all kinds, strange and cheap Japanese lenses, and am dabbling in medium format/Speed Graphic work. |
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Braddanman
Joined: 13 Aug 2012 Posts: 94 Location: UK
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Posted: Fri Jul 12, 2013 8:04 pm Post subject: |
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Braddanman wrote:
I knew somebody here would know.
You learn something new everyday! |
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