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10-02-2011, 11:03 AM   #1
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Any info about this lens?

I bought this lens from a market, but can't find any information about it. It's a Sigma 200mm f3.5 prime. It has two focusing rings, one broader towards the bottom for main focusing (quick and macro) and a smaller ring towards the front element for fine focusing. This bit also includes a 'horizontal image size' and 'vertical image size' scale. It;s in great condition, hardly any signs of wear, smooth aperture blades and totally free from fungus. In terms of image quality its great stopped down but softer than a marshmallow when wide open (last pic).

Does anyone have any more info on this lens or used it previously?


\






Next to the 18-55 kit.




10-02-2011, 11:20 AM   #2
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I'm pretty sure that that is a Sigma Y-S mount lens with the Nikon AI adapter. That's why it has 2 aperture scales.

YS Interchangeable Adapter Mounts, Y-S lens mount

There was no K-mount adapter for the Y-S, only M42.

Last edited by boriscleto; 10-02-2011 at 02:50 PM.
10-02-2011, 02:08 PM   #3
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Might be a dental macro lens. Those usually have size scales internally.
10-02-2011, 02:45 PM   #4
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Here is one on evilBay with the mount misidentified and about $150 too expensive.

SIGMA-XQ MC 200mm 1:3,5 in extremely good condition | eBay

10-02-2011, 02:46 PM   #5
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QuoteOriginally posted by jatrax Quote
Might be a dental macro lens. Those usually have size scales internally.
Only if the dentist wants to hide how bad his patients teeth are.
10-02-2011, 03:10 PM   #6
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Ah thank you! The one I have does have a k-mount adaptor as it fits on my ME Super and k-x though. Oh wow, I bought mine for 12, maybe I should follow suit and make a huge profit!
10-02-2011, 03:21 PM   #7
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That's kind of a cool effect wide open.
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