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02-13-2011, 05:30 PM   #16
Zafar Iqbal's Avatar

Join Date: Oct 2010
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Posts: 1,167
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pb_red: Thank you for you input.

I sent the lens to a support center to have it calibrated because I was experiencing front focus issues. The service center then concluded the lens was defective. They found that it had misaligned optic(s) and I needed to have it repaired or swapped with a different one.

If your reply wasn't about above mentioned but about focusing in general (or low light conditions, rather), then you are right. It's stilla shame though that it has more trouble focusing in conditions where my kit lenses perform better - because one of the reasons I wanted the lens was because of low light shooting. I can always manually focus, but still

I browsed to hunt for a different lens and landed on a Tamron f/2.8 90mm. I kind of like this (I'm aware it's not comparable to a 30mm). Any comments on it?

Edit: - but with a Pentax mount, obviously


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