Jupiter-12 35mm f/2.8 (L39)

BKSPicture · 10-18-2014, 09:27 AM

Have tested a Jupiter-12 35mm f/2.8 which has a M39 mount (Leica screw mount, L39)

Below are some of the test shots taken with this lens.
The B&W pictures are analog and are taken with a Zorki 6, AGFA CINEREX (X-ray film) and developed in X-tol.

My review has more and hires images and can be found here if you're interested: Jupiter-12 35mm f/2.8 (L39) Review

samop · 10-20-2014, 06:21 AM

Beautiful images, but I wonder, how do you mount this lens on a modern dslr camera :/

**stevebrot** · 10-20-2014, 08:20 AM - **1 Like**

Originally posted by samop

Beautiful images, but I wonder, how do you mount this lens on a modern dslr camera :/

You can't...the J-12 was designed for rangefinder cameras with a short registration distance*. When mounted, the rear element is only a few millimeters from the shutter. This protruding rear element is also a problem with many rangefinder cameras. With some there is interference with the TTL metering. With others it will not clear the shutter curtains or light baffles. The J-12 may be adapted (with varying degrees of success) to many mirrorless cameras, but again the proximity of the rear element can result in poor performance with some sensors.

Why these sample images were posted here is anyone's guess. The J-12 cannot be adapted to any current or past Pentax camera.

Steve

* Leica thread mount (LTM) and Contax/Kiev mount

**tlong423** · 10-21-2014, 11:47 AM

I love the Jupiter 12 lens. Like a lot of Soviet glass, it provides beautiful results.

samop · 10-21-2014, 12:34 PM

True. I especially like the sample #2. The grain, which I don't especially like from the film days is actually doing it a favor here. It looks so much more 3d because of it. Someone could just easily ps it out, but it make the image much worse.

BKSPicture · 11-02-2014, 12:25 PM

Many thanks for all the nice comments!!

10-18-2014, 09:27 AM	#1
BKSPicture Forum Member Join Date: Dec 2012 Posts: 94	Jupiter-12 35mm f/2.8 (L39) Have tested a Jupiter-12 35mm f/2.8 which has a M39 mount (Leica screw mount, L39) Below are some of the test shots taken with this lens. The B&W pictures are analog and are taken with a Zorki 6, AGFA CINEREX (X-ray film) and developed in X-tol. My review has more and hires images and can be found here if you're interested: Jupiter-12 35mm f/2.8 (L39) Review

10-20-2014, 08:20 AM - 1 Like	#3
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by samop Beautiful images, but I wonder, how do you mount this lens on a modern dslr camera :/ You can't...the J-12 was designed for rangefinder cameras with a short registration distance. When mounted, the rear element is only a few millimeters from the shutter. This protruding rear element is also a problem with many rangefinder cameras. With some there is interference with the TTL metering. With others it will not clear the shutter curtains or light baffles. The J-12 may be adapted (with varying degrees of success) to many mirrorless cameras, but again the proximity of the rear element can result in poor performance with some sensors. Why these sample images were posted here is anyone's guess. The J-12 cannot be adapted to any current or past Pentax camera. Steve Leica thread mount (LTM) and Contax/Kiev mount Last edited by stevebrot; 10-20-2014 at 08:35 AM.

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10-20-2014, 06:21 AM	#2
samop New Member Join Date: Oct 2014 Posts: 15	Beautiful images, but I wonder, how do you mount this lens on a modern dslr camera :/

10-21-2014, 11:47 AM	#4
tlong423 Site Supporter Join Date: Aug 2011 Location: Kansas City Photos: Gallery \| Albums Posts: 185	I love the Jupiter 12 lens. Like a lot of Soviet glass, it provides beautiful results.

10-21-2014, 12:34 PM	#5
samop New Member Join Date: Oct 2014 Posts: 15	True. I especially like the sample #2. The grain, which I don't especially like from the film days is actually doing it a favor here. It looks so much more 3d because of it. Someone could just easily ps it out, but it make the image much worse.

11-02-2014, 12:25 PM	#6
BKSPicture Forum Member Join Date: Dec 2012 Posts: 94 Original Poster	Many thanks for all the nice comments!!

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