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luisalegria
Joined: 07 Mar 2008
Posts: 6627
Location: San Francisco, USA
Expire: 2018-01-18
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 Posted: Sun Sep 27, 2009 6:57 am Post subject: Tamron Adaptamatic 105/2.5 - rare lens |
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luisalegria wrote:
I finally got one, many thanks to a friend, Kitaman, on the OTHER manual focus group. He found this in a thrift shop and sold it to me.
Here it is beside its 135/2.8 mate in the Adaptamatic line -
I wanted this for my Tamron Adaptamatic collection. As it happens, I have also recently aquired the 24mm of the line, leaving me to find just the monster 200-500mm zoom, which is not uncommon, but is usually very expensive; and a couple of weeks ago Krisgage found this 135/3.5 that I have never seen before -
http://forum.mflenses.com/auto-tamron-135mm-f3-5-srt-t20220,highlight,adaptamatic+rare.html
This would be even more rare than the 105 !
Its an interesting lens. Like the other Adaptamatics it has a distinct style, and of course the odd mounting system. This one though has a built-in hood and a more complex helical mechanism, with a non-rotating front element. I expect it was a more expensive lens than the 135. It seems to have come only in the rubber-grip version, which indicates later manufacture. This lens may have come at the end of the Adaptamatic line, just as Tamron was introducing the Adaptalls. Indeed, there are very well thought of Adaptall 105/2.5's. I think its possible that this may be a very similar or even identical optical formula to those Adaptall 105's.
Performance is excellent, by my standards anyway. I find it sharp at f/2.5 (to the limits of my sensor anyway), the bokeh is nice and smooth, it doesn't flare or misbehave shooting into the sun, focus is easy and quick, etc. It does quite a good job also on extension rings. It would be interesting to see if this is similar to the Adaptamatic versions. And it would be interesting to compare this to the Nikkor 105 !
The bird (f/2.5)
crop -
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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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Minolfan
Joined: 30 Dec 2008
Posts: 3437
Location: Netherlands
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| Posted: Sun Sep 27, 2009 8:20 am Post subject: |
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Minolfan wrote:
Nice looking lens and fine results. |
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estudleon
Joined: 15 May 2008
Posts: 3754
Location: Argentina
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| Posted: Sun Sep 27, 2009 12:52 pm Post subject: |
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estudleon wrote:
| Minolfan wrote: |
| Nice looking lens and fine results. |
+1.
105 is a Nice focal lenght. I like your pics,as always!!
Regards, Rino.
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Maple Wang
Joined: 07 Jul 2009
Posts: 37
Location: Taiwan
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| Posted: Sun Sep 27, 2009 3:19 pm Post subject: |
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Maple Wang wrote:
Wow~
What's its maximum magnification ratio? |
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Krisgage
Joined: 16 Mar 2009
Posts: 681
Location: Singapore
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| Posted: Sun Sep 27, 2009 5:04 pm Post subject: |
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Krisgage wrote:
Congrats ! It seems to be the common design of the lens body among the other Adapmatic lenses.
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Blue
Joined: 26 Jul 2008
Posts: 304
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| Posted: Sun Sep 27, 2009 6:01 pm Post subject: |
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Blue wrote:
I finally got the 105mm adaptamatic myself about 5 weeks ago. I found it listed as a Tamron F mount. 
I see that with adaptamatics a lot, especially with the more rare ones.
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cooltouch
Joined: 15 Jan 2009
Posts: 9097
Location: Houston, Texas
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| Posted: Sun Sep 27, 2009 6:02 pm Post subject: |
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cooltouch wrote:
Very nice! If I didn't already have the Tamron 90/2.5 Adaptall II macro and a Nikkor 105/2.5, I think I'd be jonesin' for one of these!
Impressive sharpness and excellent contrast. I wonder how close its optical formula is to the Nikkor? Recently I read that the Nikkor 105 used the Sonnar optical formula.
Michael |
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Blue
Joined: 26 Jul 2008
Posts: 304
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| Posted: Sun Sep 27, 2009 6:13 pm Post subject: |
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Blue wrote:
| cooltouch wrote: |
Very nice! If I didn't already have the Tamron 90/2.5 Adaptall II macro and a Nikkor 105/2.5, I think I'd be jonesin' for one of these!
Impressive sharpness and excellent contrast. I wonder how close its optical formula is to the Nikkor? Recently I read that the Nikkor 105 used the Sonnar optical formula.
Michael |
I have the Tamron 90mm 52b and 52BB and a Super Tak 105mm f2.8 and I was still jonesin' for one of these . . . until I find one. It didn't help several months ago that I blew a chance for one.
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Blue
Joined: 26 Jul 2008
Posts: 304
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| Posted: Mon Sep 28, 2009 4:20 am Post subject: |
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Blue wrote:
The specs on the 105mm are 4 elements in 4 groups and the minimum focus distance is 1 meter. I don't know the magnification.
http://translate.google.com/translate?hl=en&sl=ja&u=http://www.tamron.co.jp/data/old-lens/lm105.htm
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Mamiya: C3 TLR, NC1000
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IKON: Contax D, Praktiflex FX & Victar 50mm f2.9
Contessa-Nettel Piccolette - 7.5 cm Tessar & Compur shutter
Rangefinders: Argus C4 and Ricoh Five-One-Nine |
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dimitrygo
Joined: 01 Apr 2009
Posts: 561
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| Posted: Wed Sep 30, 2009 4:12 pm Post subject: |
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dimitrygo wrote:
| cooltouch wrote: |
| I wonder how close its optical formula is to the Nikkor? Recently I read that the Nikkor 105 used the Sonnar optical formula. |
According to this resource: http://www.photosynthesis.co.nz/nikon/lenses.html the Nikkor 105/2.5 has different optical formula - 5 lenses in 3 or 4 groups than this Tamron - 4 lenses in 4 groups. |
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patrickh
Joined: 23 Aug 2007
Posts: 8551
Location: Oregon
Expire: 2011-11-18
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| Posted: Wed Sep 30, 2009 6:03 pm Post subject: |
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patrickh wrote:
Very very nice addition to the collection. Great samples, thank you (especially the mandatory sea gull)
patrickh
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spiralcity
Joined: 02 Oct 2008
Posts: 1207
Location: Chicago, U.S.A
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| Posted: Sat Oct 03, 2009 3:38 am Post subject: |
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spiralcity wrote:
I looks like a promising lens. Nice find ans nice photos. 
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