Not a continuation of the previous 3rd party lenses vs original brand lenses.
Here's a fact sheet / report from Lensrentals.com, a rental site in the US if I'm not wrong.
http://www.lensrentals.com/news/2008.09.20/lens-repair-data-10
And a commentary on Sigma lenses:
http://www.lensrentals.com/news/2008.09.12/the-sigma-saga
Seems like paying for the price of original / mainstream lenses are pretty worth it.
However, do understand that they are a lens rental company. That is, every time a customer wants a lens, it is shipped out, and then shipped back, so handling of lenses will vary a lot.
Discuss away!
Cheers,
Zexun
Here's a fact sheet / report from Lensrentals.com, a rental site in the US if I'm not wrong.
http://www.lensrentals.com/news/2008.09.20/lens-repair-data-10
And a commentary on Sigma lenses:
http://www.lensrentals.com/news/2008.09.12/the-sigma-saga
Seems like paying for the price of original / mainstream lenses are pretty worth it.
However, do understand that they are a lens rental company. That is, every time a customer wants a lens, it is shipped out, and then shipped back, so handling of lenses will vary a lot.
Discuss away!
Cheers,
Zexun
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