PZ 16-50 - what's the real focal length of the wide end?

Started Oct 28, 2012 | Discussions thread
PBart
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Re: PZ 16-50 - what's the real focal length of the wide end?
In reply to lakemcd, Nov 2, 2012

Took a while, but here it is. I'm unfamiliar with the layout options here, so I will have to link to another forum again: http://gathering.tweakers.net/forum/list_message/39218701#39218701

The first test is the 16-50 without correction vs. the 16-50 with correction vs. the 16/2.8 pancake. Center crops

The second test is the same with corner crops.

The third test is the 16-50 with center crops.

The fourth test is the 16-50 with corner crops.

The fifth test is an noise test of the NEX-6 with RAW's with only color noise removed, JPEG's with NR Low and JPEG's with NR Normal.

Some crops with small apertures are unexpectedly softer, I guess the long exposure times are to blame for this, although I used a tripod.

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