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Minolta 50mm and radioactivity question

Started Feb 25, 2018 | Discussions thread
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manueljenkin Forum Member • Posts: 92
Minolta 50mm and radioactivity question

I am seeing multiple variants of Minolta 50mm f2. What are the differences between them. And is the 50 f1.7 same as the f2 in optics? What about the 45mm f2. Is any of the lens mentioned radioactive? Also the general consensus is that all these lens are sharp. Is there anything in the ones above that lack sharpness?

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