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Are their "good" and "bad" copies of lenses?

Started Jan 6, 2015 | Polls thread
robert614 Senior Member • Posts: 1,745
As with anything manufactured,there are tolerances.
2

How big the tolerance range allowed depends on the company,price of the item,etc...but there is always slight differences with anything produced in quantity.

That said,I can't recall ever returning a lens because I thought it was a bad copy.But I have seen differences in sharpness when comparing a lens I've owned with the same lens owned by a friend.

Regards,

Robert

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