broken 40-150R replacement: WWYD?

Started Jun 19, 2014 | Questions thread
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Neurad1
Neurad1 OP
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Re: broken 40-150R replacement: WWYD?
In reply to Neurad1, Jun 28, 2014

Well, I bought a reburbished 40-150R lens (made in Vietnam) from Cameta via Amazon for $125. It looks fine externally. No scratches on the front or rear elements. I will have to shoot some "tests" to see if if seems as sharp as my prior copy...which was actually pretty sharp, especially for the price.

Any advice on the optimal "test pattern" to check a lens for sharpness centrally and in the corners, etc? Sorry to be asking such an ignorant question.

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