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06-08-2012, 03:44 PM   #1
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lens crack question

lens crack question.

I have a Pentax FA 100-300 4.7-5.8 lens.

I received it with a crack on the upper plastic ring in line with the glass. a picture is attached. and also samples from the lens.

how does this crack decrease the value of the lens?

how this crack influence the performance of the in the future?

will the crack grow?

should I keep this lens?

Can someone advise what to do?


Thank you.

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06-08-2012, 04:03 PM   #2
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QuoteOriginally posted by karelson Quote
how does this crack decrease the value of the lens?
probably not much, considering its often quite cheap on the current market.

QuoteOriginally posted by karelson Quote
how this crack influence the performance of the in the future?
Probably won't change anything. Specially if the glass has no internal marks.

QuoteOriginally posted by karelson Quote
will the crack grow?
Nope if you take normal care of the lens.

QuoteOriginally posted by karelson Quote
should I keep this lens?
I would say yes if you payed it a fair price : it's a good telephoto lens. So if it suits your need, keep it.

QuoteOriginally posted by karelson Quote
Can someone advise what to do?
Take care of the lens, as you would of your other lenses. Don't make them fall, and keep them clean.

QuoteOriginally posted by karelson Quote
Thank you.
You're welcome
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