Switching to A33 need advice and lens options Thanks!

Started Nov 10, 2010 | Discussions thread
Keith Schmidt
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Re: Switching to A33 need advice and lens options Thanks!
In reply to Zhiyong Sun, Nov 11, 2010

Zhiyong Sun wrote:

Thanks a lot for the input. I was checking the sigma 18-250 due to OS but the size/weight also put me off.

F number aside, would the tamron 17-50mm image quality at 50mm F2.8 the same as a 50mm prime at F2.8 (say the 50m 1.4 or 1.8)? Maybe I can just get the 17-50mm for indoor video/some portrait short?

My guess is that the prime would be better, but I don't know that you'd see much, if any difference in real world shots. The 17-50 is a very good lens. That said, f1.4 is two stops better in low light situations.

I personally use a 35mm 1.8 for low light - feels like a nice mid-range focal length for indoor candids, and I figure if I really need wider, my 18-250 is f3.5 at 18mm, so it'll do in a pinch - less than 1 full stop away from the 17-50 2.8.

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