Smallest modern 135mm lens

Ian Grant

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Currently I'm working on a project that requires a small - as in slim - coated or multi-coated modern 135mm lens.

Looking for suggestions - must be no larger than a pre-War 135mm f4.5 Tessar in a Compur. A modern Sironar (Caltar-S) is too large.

Ian
 

coriana6jp

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The smallest three I have seen are Schneider APO-Symmar, the Fujinon W (not CMW) or Nikon W. All three take 52mm filters, and weight about 250grams. YOu probably wont get much smaller than those for a newer MC lenses.

Hope it helps.
Gary
 

David A. Goldfarb

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The 135/5.6 Sironar-N (Caltar II-N) takes 40.5mm filters, and so does the older Symmar convertible. I used to have the Symmar, which was a tiny bit smaller, but the newer Sironar-N is a sharper, contrastier lens. The 90/6.8 Angulon uses the same size filters, so the two of them together make for a nice compact kit.
 

ic-racer

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Horseman 120mm is 270g including the lensboard. 160mm image circle.
 

bnstein

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How "modern" and does it *have* to be 135?

Definitely have a look at Kerry Thalman's page on lightweight lenses for backpacking http://www.thalmann.com/largeformat/lightwei.htm too.

Taking from the largeformatinfo page's lens info (lenses avail. new 2002) the lightest and smallest lens close to you is the xenar 150mm at 150g with a 34mm filter. the 120L apo-symmar at 210g with 49mm filter may be a contender too. As Kerry states the Sironar-N is ~200g with 40.5 filter is the smallest current 135.

If not too modern perhaps an "older" 135 xenar in either 4.5 or 4.7? Mine from the 60s is tiny (can weigh for you if critical).
 
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BradS

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I'm with David. The smallest modern (as in currently available new) has got to be the 135mm Sironar-N. It is barely larger than the old 135mm Xenar press camera lens.
 
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Ian Grant

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keithwms said:
Well I think the smallest will be a shutterless enlarging lens...
Click to expand...
Surprisingly it's not. I have a 135mm Componon and its longer than the Tessar I need to replace. I tried it in a shutter last time Iwas in the UK.

It seems my ideal choice would be a modern Docter Optic Tessar because it's essentially a modern multi-coated version of the lens I want to replace. Both the Congo 135mm and 135mm Xenar are very similar in size to the Tessar. The Symmar's and Sironar's are nearly a centimetre longer. The camera the lens has to fit is extremely compact and it's the overall length of the lens that's critical or the camera won't close.

For practical reasons I guess I'll try and find a good coated 135mm Xenar as there are plenty available. Thanks for all the suggestions

Ian
 

bnstein

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Interesting: from the schneider site the shortest lens is the 120L at 42mm total height, the 4.7 xenar is 34mm total height. I dont think you will do better unless you move into 'classic' or 50s lenses
 

phfitz

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Wollensak Raptar 135/4.7 in a Rapax shutter = 30.05mm length. Fine lens, great shutter. Condition, condition, condition, usually very under valued.
 
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Ian Grant

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That's more like it, thank you. I've decided that a Xenar may be too large, a Tessar in a rim-set or dial-set Compur will fit as that's often the lens fitted when new. The camera is only about 35mm thick when folded, according to one online source but I'm not taking that as Gospel.

Ian
 
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Ian Grant

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Must fit a KW Patent Etui

I just won the Patent Etui cameras that I require the lens for, if you look at the camera you'll understand why I'm after a very slim 135mm lens.

Actually I'll now have two of these cameras, one has no lens or back and was very cheap so I want to put a modern lens on it. There is no LF camera smaller

Ian
 

Ole

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A coated Tessar or Xenar (or Color-Skopar) 135mm f:4.5 should fit right into the existing shutter. Finding a newer shutter that fits in the available space might be far more difficult than finding another lens that fits the shutter!

Also, due to the way the Patent Etui is made, you really don't want anything outside of 133mm to 137mm focal length.
 
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Ian Grant

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Trevor I think somewhere closer to 32mm So no 6 element 135mm is going to fit. One of the cameras I just bought has a Dial-set 135mm Compur, but I know the same camera was also fitted with the rim-set Compur, the shutter is similar in size & cell spacing to late Compur 1 or a modern Copal 1.

It is going to be a very tight fit, so much so that it maybe I have to modify a more modern lens slightly to fit. Not quite as drastic as it sounds just having a bit shaved of the filter thread etc.

I'll know better in 2 or 3 weeks when I'm back in the UK & pick up the cameras.

Ian
 

Ole

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Zeiss, Schneider and Voigtländer seem to have agreed on the standard shutter sizes much earlier than anyone else.

A modern Macro-Nikkor 120mm lens fits perfectly well in the dial-set Compur which normally holdes a 120mm f:4.5 Heliar from 1929.

So since the original is a Tessar, my bet is that the shutter is 100% compatible with modern lenses.
 
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Ian Grant

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Thanks Ole, I know my 210 MC Symmar bought from JDC fits my 1932 Compur

What fazes me is my 1919-20 165mm Tessar fits a smaller shutter, but the who can understand the German mind

Ian
 

Ole

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Ah - but 165mm Tessars often came in an early abandoned (insert comma as appropriate - I mean both) version of the infamous #2.
 
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