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Zenit MC Zenitar-K2 2/50 50mm F2.0
Latest Review Posted Arsat Jupiter-36B 250mm f:3.5
I may have bought this lens for less than $50, shipping included. I think the previous owner was happy to pass along a "white elephant". I haven't done much with it, because the weight makes it almost unusable on Pentax DSLRs. As you can see from the optical diagram, the front third is one huge mass of glass, making it extremely nose-heavy and difficult to use hand-held. Optically, the lens is fairly sharp with (to me) pleasant bokeh. It does have a fairly long minimum focus distance (more than 3m/10 feet). Of course, the lens is all-manual, and it's Pentacon 6 format. To use it on a K-mount camera, you'll need a Pentacon 6 to M42 adapter (and an M42 to K-mount ring) or a P6-direct-to-K adapter, which may cost a little more, but adapters aren't hard to find.


The weight really demands a tripod, but the lens lacks a tripod foot. I haven't found any Pentacon 6 adapters with a built in foot. Using the camera as the tripod mount is awkward because so much weight is so far forward. I have found that an 81mm Canon 'C' type tripod ring/collar will fit perfectly in front of the aperture ring - which really is the only part of the lens where you could put a tripod ring. This puts the heaviest part of the lens directly above the tripod connection. How well this works depends on how heavy your camera body is. You will need a decent tripod that doesn't shake like a frightened puppy under the weight.


So who is the Jupiter 36B for?


- Well, Medium Format s...



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