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Converto-Tamron 135/4.5-225/7.7 - set with matched TC, 1958
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PostPosted: Mon Feb 02, 2009 4:10 am    Post subject: Converto-Tamron 135/4.5-225/7.7 - set with matched TC, 1958 Reply with quote

I already had this lens, but this was available as the complete set, with an M42 mini-T mount also -



My old one had an Exakta mount and lacked the matched teleconverter. It was also labelled a "Tamron Twin Tele". It looks like this set went under several names, besides "Twin Tele" amd "Converto", I think some were labelled "Duo-Tamron".

This is one of the first, or possibly the first, case of a matched teleconverter sold as a consumer lens. And of course, it is the very first Tamron lens.



This is not really rare. Its quite easy to find one on ebay, though the Exakta-mounts are much more common than M42. It was also sold under the Spectra and Taika brands, in alu finish. I just bought another set in alu, with the Taika brand. All of them originally came with the TC. but these days these are often missing - like with my old one I got 30+ years ago.

The lens is of course tiny, metal and quite attractive. The TC is just a tube with what looks like two elements in it. I have tested my old lens before, as a 135, and its quite decent. This new one looks exactly the same, so I didn't bother much using it as a 135.

With the TC on, max aperture is f/7.7 - oh what the heck, lets call it f/8. Wide open the combination is just plain terrible. It is unusable, soft, CA, you name it.

Stopped down to f/11 though, it is as sharp as I can perceive with my sensor. Strangely enough, on the K100D focus confirm works quite reliably on this combination at f/11. Because of the DOF, this means that focus confirm is actually giving a reading for usable sharpness. So this combo is quite easy to use and focus with on the DSLR, in spite of the dim image. Will wonders never cease ?

In bright sun this thing is very usable and can give excellent results. So back in 1958 this wasn't just a silly toy.



















the bird -



crop -



PostPosted: Mon Feb 02, 2009 5:11 am    Post subject: Reply with quote

Shocked WOW Shocked Amazing!


PostPosted: Mon Feb 02, 2009 9:23 am    Post subject: Reply with quote

Sharp as a razor photos Very Happy Never heard about the this kind of lenses!


PostPosted: Mon Feb 02, 2009 4:15 pm    Post subject: Reply with quote

Hi, Luis

Great sample of lens.

I will not say the beauty of your pics any more!!!! Very Happy

Regards, Rino.


PostPosted: Mon Feb 02, 2009 4:43 pm    Post subject: Reply with quote

Shocked indeed, excellent. And a lovely bit of history. Great names they used to give lenses, and industrial design.

I love this stuff, and Luis your photography is always top notch.


PostPosted: Mon Feb 02, 2009 4:46 pm    Post subject: Reply with quote

That is amazing! Surprised

Please, don't anyone else, the prices will go stupid on ebay Laughing


PostPosted: Tue Feb 03, 2009 4:48 pm    Post subject: Reply with quote

Didn't anybody else get the original instructions with theirs?

www.jrussbeauchamp.com/content/00101-00200/137_4.jpg

Apologies for bad scanning. They are printed on terribly thin tissue paper! I should think hardly any have survived.

I also got the original case, hood, hood/filter adaptor ring, screw on lens cap, screw on converter cap and push on converter cap. The case has two compartments, one for the lens, another for the adaptor

www.jrussbeauchamp.com/content/00101-00200/137_1.jpg

EDIT: I cant get an image to work, so please use the above links.


PostPosted: Tue Feb 03, 2009 5:15 pm    Post subject: Reply with quote

Thats very cool ! Its great to have the mint set like this.

I have the hood and rear M42 cap also.

I'm not sure if there's an implication that the set came with both the Exakta and M42 adapters. There was also a Miranda M44 adapter, I have one.

This was a very attractive kit at the time no doubt. And apparently a best-seller.

I have the hood and rear M42 cap.

I linked your pictures -






PostPosted: Wed Feb 04, 2009 10:09 pm    Post subject: Reply with quote

Hi Relayer,

That is a later product, 135/2.8 with matched multiplier from 1963 or later.

http://translate.google.com/translate?hl=en&sl=ja&u=http://www.tamron.co.jp/data/old-lens/olm135f2_8.htm

Same idea, different lenses.

The same 135/2.8 was also sold just as a 135/2.8, no "Converto" or "Duo".

Nice package, very good for collection.


PostPosted: Thu Feb 05, 2009 12:58 am    Post subject: Reply with quote

Very good price for the complete set !

Also the best version to get, Tamron brand.

The Soligor one has a lower-quality finish.


PostPosted: Thu May 27, 2010 7:14 am    Post subject: Re: Converto-Tamron 135/4.5-225/7.7 - set with matched TC, 1 Reply with quote

luisalegria wrote:
I already had this lens, but this was available as the complete set, with an M42 mini-T mount also -

This is one of the first, or possibly the first, case of a matched teleconverter sold as a consumer lens. And of course, it is the very first Tamron lens.

The lens is of course tiny, metal and quite attractive. The TC is just a tube with what looks like two elements in it. I have tested my old lens before, as a 135, and its quite decent. This new one looks exactly the same, so I didn't bother much using it as a 135.

With the TC on, max aperture is f/7.7 - oh what the heck, lets call it f/8. Wide open the combination is just plain terrible. It is unusable, soft, CA, you name it.

Stopped down to f/11 though, it is as sharp as I can perceive with my sensor. Strangely enough, on the K100D focus confirm works quite reliably on this combination at f/11. Because of the DOF, this means that focus confirm is actually giving a reading for usable sharpness. So this combo is quite easy to use and focus with on the DSLR, in spite of the dim image. Will wonders never cease ?

In bright sun this thing is very usable and can give excellent results. So back in 1958 this wasn't just a silly toy.



I know this is an old post but, guess what, I found one of these at a local photo mart for just Aus$5-00 the lot (except for part E Sad)! Very Happy


PostPosted: Thu May 27, 2010 5:05 pm    Post subject: Reply with quote

Threads like this are why I LOVE this place. Very Happy


PostPosted: Thu May 27, 2010 7:20 pm    Post subject: Reply with quote

really nice lens very sharp
pic no3 is very gooood really like it

Best regards
Catalin


PostPosted: Thu May 27, 2010 10:45 pm    Post subject: Reply with quote

Do you know how this lens performs?

luisalegria wrote:
Hi Relayer,

That is a later product, 135/2.8 with matched multiplier from 1963 or later.

http://translate.google.com/translate?hl=en&sl=ja&u=http://www.tamron.co.jp/data/old-lens/olm135f2_8.htm

Same idea, different lenses.

The same 135/2.8 was also sold just as a 135/2.8, no "Converto" or "Duo".

Nice package, very good for collection.


PostPosted: Fri May 28, 2010 1:02 am    Post subject: Reply with quote

Hi Ash,

That would be this one -

http://forum.mflenses.com/converto-tamron-2-8-135-matched-tc-full-1962-kit-t23521,highlight,converto+tamron.html


PostPosted: Wed Sep 17, 2014 12:56 pm    Post subject: Reply with quote

Just happened to find one for 15 euro's Smile




PostPosted: Wed Sep 17, 2014 2:45 pm    Post subject: Reply with quote

Here is better copy of data sheet. regards.



PostPosted: Wed Sep 17, 2014 3:03 pm    Post subject: Reply with quote

Very nice!
Good find for the price.