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ManualFocus-G
Joined: 29 Dec 2008
Posts: 6624
Location: United Kingdom
Expire: 2014-11-24
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 Posted: Fri Jun 05, 2009 6:05 pm Post subject: Mystery lens - Aetna Coligon 100/2.5 |
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ManualFocus-G wrote:
Oooh you know when you see something, but you're not really sure what it is, what mount it has, whether it's full of fungus or whether you really need another 100mm prime? Well, I saw this one and went for it 
It's what I love about MF lenses, you can end up with quite literally anything! Based upon other Aetnas I've seen discussed on here, it's likely to be a Tamron or Tokina, so should be OK. I'm hoping it has a T-mount.
Either way, I'm sure I'll find out next week and give you some test shots!
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Fri Jun 05, 2009 6:18 pm Post subject: |
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Attila wrote:
Looks a nice Japanese lens I am curious!
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luisalegria
Joined: 07 Mar 2008
Posts: 6627
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Fri Jun 05, 2009 6:35 pm Post subject: |
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luisalegria wrote:
It looks like it may be a Sankor, its got that look.
Odds are its a T-mount. Looks like an Exakta mount on it right now.
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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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ManualFocus-G
Joined: 29 Dec 2008
Posts: 6624
Location: United Kingdom
Expire: 2014-11-24
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| Posted: Fri Jun 05, 2009 6:40 pm Post subject: |
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ManualFocus-G wrote:
| luisalegria wrote: |
It looks like it may be a Sankor, its got that look.
Odds are its a T-mount. Looks like an Exakta mount on it right now. |
You may well be right about the Sankor link...taking a second look at the barrel, it looks like it may be silver and black, while at first I thought that was just the reflection from the flash...
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Fri Jun 05, 2009 6:54 pm Post subject: |
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Attila wrote:
I guess also Exakta or early Konica F
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Items on sale on Ebay
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estudleon
Joined: 15 May 2008
Posts: 3754
Location: Argentina
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| Posted: Fri Jun 05, 2009 7:22 pm Post subject: |
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estudleon wrote:
| luisalegria wrote: |
It looks like it may be a Sankor, its got that look.
Odds are its a T-mount. Looks like an Exakta mount on it right now. |
Very similar to my sankor 3,5/135.
Rino.
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F16
Joined: 08 Jun 2009
Posts: 7
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| Posted: Mon Jun 08, 2009 1:40 pm Post subject: |
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F16 wrote:
I've had the same lens for a number of years, it is a T-mount. Mine is branded as a Spiratone lens, even came with a Spiralite UV filter that appeared to remain mounted on the lens from the day it was bought. It also came with an identical case to yours. I also have a near-matching Spiratone 35mm 2.8 T-mount. I don't think I've seen another one until I stumbled onto this post. I've liked using it in film, from the few practical tests I've done it is fine in the center but soft towards the edges at larger apertures but then that may be partly because of the fairly close testing I did - for a lens of this focal length, a little softness towards the edges is often unimportant anyway. |
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ManualFocus-G
Joined: 29 Dec 2008
Posts: 6624
Location: United Kingdom
Expire: 2014-11-24
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| Posted: Mon Jun 08, 2009 6:19 pm Post subject: |
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ManualFocus-G wrote:
Mystery lens arrived today! I've given it a quick clean (not a proper one though, look at the dust at the rear ) and it looks lovely, just like a Sankor (as mentioned earlier).
I unscrewed the mount but there is no screw, so it's NOT a t-mount  It's like a flat rounded plastic piece underneath, so I presume this is intended as a fixed mount Exakta. The glass is recessed though, so it could probably be adjusted.
I guess my best bet is to screw on a M39 adapter and then an M42 adapter to connect to my Sony? Or I guess I could get an Exakta to Eos adapter for my Eos.
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F16
Joined: 08 Jun 2009
Posts: 7
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| Posted: Mon Jun 08, 2009 10:24 pm Post subject: |
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F16 wrote:
A few quick shots of my copy. Mine is labeled as 105mm, though I have no doubt it's the same lens optically. Too bad that your copy is not a T-mount, unfortunately this isn't the first time I've seen an older lens in both T-mount and 'non' T-mount. I have two copies of a Komura 135mm lens, basically the same lens other than some mild cosmetic changes and also one is ?? mount (edit: not T-mount) and the other is not (has a mount that slips on and off with only 3 small side screws holding it on the lens, this is a Unidapter maybe?).
Last edited by F16 on Mon Jun 08, 2009 11:12 pm; edited 2 times in total |
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luisalegria
Joined: 07 Mar 2008
Posts: 6627
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Mon Jun 08, 2009 10:33 pm Post subject: |
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luisalegria wrote:
Flat rounded plastic ? A picture would be interesting. The lens looks like a T-mount type indeed.
I didn't think Komuras came in T-mounts. Many came in Komuras answer to the T-mount, the Unidapter, which was pretty much a T-mount but a different, wider thread (48mm? I need to measure mine).
Some other long Komuras came in M39 Visoflex and Komura sold them with an SLR adapter, like a long T-mount.
A Komura genuine 42mm T-mount would be a bit of a collectible.
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F16
Joined: 08 Jun 2009
Posts: 7
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| Posted: Mon Jun 08, 2009 10:49 pm Post subject: |
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F16 wrote:
Sorry about that luisalegria, I was incorrect in thinking it was T-mount, I have yet to do much research or make sense of my two copies of my Komura 135mm F2.3 lenses. One copy has a wide (just measured at 54mm), narrow threaded mount adapter for M42, the other copy's mount adapter does not even thread on, it is just held on with 3 side screws & the camera mount is about 1.5mm wider than M42. I should start a separate thread about them rather than discuss them here. |
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F16
Joined: 08 Jun 2009
Posts: 7
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| Posted: Mon Jun 08, 2009 11:29 pm Post subject: |
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F16 wrote:
I don't normally like Ebay linking, but I thought you might be interested in this expired auction - Click here to see on Ebay
Clearly a close relative to our lenses. Probably the smallest lens I've seen with a tripod mount. |
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luisalegria
Joined: 07 Mar 2008
Posts: 6627
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Tue Jun 09, 2009 3:02 am Post subject: |
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luisalegria wrote:
Yes I've seen that style around. There is a more common type that is almost identical that is certainly made by Tokyo Koki/Tokina.
I suspect there may have been two very similar lenses being sold into the third-party distribution business in those days, one line made by Tokina and another by Sankor, and in the case of the 200/4.5 of their respective lines the resemblances were uncanny - or perhaps deliberate.
For what its worth, the usual style of the Sankor lenses is certainly more attractive.
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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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ManualFocus-G
Joined: 29 Dec 2008
Posts: 6624
Location: United Kingdom
Expire: 2014-11-24
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| Posted: Tue Jun 09, 2009 5:57 am Post subject: |
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ManualFocus-G wrote:
Wow, great info guys! The mount on my Aetna is actually held on with three small side screws, as F16 aluded to.
I will remove them again tonight and take some photos. The bit underneath the Exakta mount is certainly wider than a T-mount (I held an M42 T-mount up to it).
Thanks again.
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ManualFocus-G
Joined: 29 Dec 2008
Posts: 6624
Location: United Kingdom
Expire: 2014-11-24
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| Posted: Sat Jun 20, 2009 12:21 pm Post subject: |
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ManualFocus-G wrote:
I had a massive breakthrough today!!
Whilst sorting out a load of unwanted lenses to sell, I cam across a totally knackered Paragon 135/2.8 with blades all over the place. This one also had a mount held in place by three small screws. So...I unscrewed it and replaced the Exacta mount with the M42 Paragon mount, and guess what? A perfect fit!!
Here's a few VERY quick test shots...most surprising of all, the lens reaches infinity!!! So maybe the lens is of t-mount specification, but intended to have a mount fixed onto it permanantly? Weird, but I don't care as I now have a really cheap 100mm M42 prime
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Farside
Joined: 01 Sep 2007
Posts: 6549
Location: Ireland
Expire: 2013-12-27
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| Posted: Sun Jun 21, 2009 12:30 am Post subject: |
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Farside wrote:
Serendipity doo dah! Always nice when an unexpected plan comes together.
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patrickh
Joined: 23 Aug 2007
Posts: 8551
Location: Oregon
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| Posted: Sun Jun 21, 2009 1:03 am Post subject: |
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patrickh wrote:
Good find and even better luck 
patrickh
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F16
Joined: 08 Jun 2009
Posts: 7
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| Posted: Tue Jun 23, 2009 2:37 am Post subject: |
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F16 wrote:
Could you show a photo of the lens with the mount adapter removed? I don't know what the proper name is for the mount design, but it sounds like it was probably an interchangeable mount system used for a short time, maybe around the same time that the T-mount system was started. Not a surprise that it focuses to infinity if the mount system matched your other lens, awesome that you were lucky enough to already have a mount. And it looks like your lens is performing respectably, just like my Spiratone copy. |
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vivaldibow
Joined: 23 Jun 2018
Posts: 837
Expire: 2021-03-09
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| Posted: Sat Jun 23, 2018 5:01 pm Post subject: |
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vivaldibow wrote:
I fee like home here as I started to collect vintage lenses in 2003 and stopped for nearly 15 years. Are those "old fellows" in this thread still
here? I hope you are!
I am reviving this thread as I got a same copy. I've read MFG's posts many times during this acquiring and mount identifying process.
In the end, I had a similar interesting story and the finding is that this is a Nikon F mount, my lovely Nikon F mount! It will join my
Nikon AI/AIs mount lens family (not a single Nikkor, many of them Vivitar and Soligor). Here are two test shots. Finally I got the
circular bokeh in the rumor (and certainly in reality...).
#1
#2
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