I got this lens for $45 from KEH camera. Serial Number 3100059.

A search on the internet turns up very few comments on this puppy, but most of them will say it sucks. Maybe that's why it's less than 50 bucks..

@ 200mm

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@ 95 mm f9.5, 1/750 second

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@ 200 mm f13, 1/180 second

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No, it doesn't suck, unless you blow it up to full scale and look at edges. It's another OK lens for 50 bucks.