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06-28-2008, 08:36 AM   #1
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Thinking about an M42 SMC 100mm f/4 macro?

Does anyone have any experience with this lens? There are a few shots on flickr that someone has posted using it, but it sounds like they're using a bellows unit with a film body. I'd be happy to use it on my K1000, but am specifically interested in using it on my K10D.

I don't see much written about the Takumar 100mm macros which is why I'm asking. There's this M42 is a site dedicated to M42 adaptator lenses. You will find here tests, from argentic to numeric cameras and oldest to newest M42 lenses. Members described their work and the used lens. Oldies, but goldies! which sounds like the poster had some fungus and flare problems. No review in the pentaxforums reviews section: Pentax Lens Review Database - 100mm F4 Macro

What's a reasonable price for one of these and is it worth getting one? Likely much much less than a D-FA 100mm macro which is out of my price range. But I don't want to get ripped off or not pay a fair price for one of these either.

06-28-2008, 10:55 PM   #2
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Those lenses are very good if they are in good shape. Keep in mind the macro on the one you are referring is 1:2. Pentax made only one 1:1 lens in the m42 and that was a 50mm in 1966. I don't have a 100mm but have seen them and they are nice. I have the 50mm macro from 1966 and use it on my k20d.

Edit: as far as price goes, a lens in good shape will go from 100-215. KEH has a couple and they are asking 215.

Last edited by Blue; 06-28-2008 at 11:07 PM.

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