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Old May 11, 2012, 9:09 AM   #1
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Default Lens rentals test of micro four thirds wide angle lenses

interesting results.

http://www.lensrentals.com/blog/2012...matest-results
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Old May 11, 2012, 12:24 PM   #2
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Not really too out of line with what I would expect. I find it hard, in one example involving two lenses I own, trying to compare the 14mm f2.5 lens to a wider 12mm lens that's almost one stop faster. There's really nothing comperable there to compare. How does the grade of a 14mm really compare to a grade of a 12mm when the wide open apertures (f2.5 vs. f2...not far from one full stop) are not even equal?

Wide open, lenses with slower maximum apertures perform better across the frame than an f1.4 or f2 lens that will have sharp centers but the corners will cost them in the grade, but stop them all down to f2.8 like the second table and things start to even out.

The 14mm f2.5 is a great buy, but if I want the coverage and speed of the 12mm f2, then a 14mm f2.5 is not going to do me any good. I happen to own both and like both, but I've not used the 14 much since picking up the 12mm f2. I prefer the coverage of the 12mm lens and the 12/2 is several levels above the 14 in materials used, build quality and functionality with the snap ring.

These type "tests" are really, primarily, good for one thing.....forum discussions.

Last edited by Greg Chappell; May 11, 2012 at 12:40 PM.
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Old May 11, 2012, 1:54 PM   #3
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Quote:
Originally Posted by Greg Chappell View Post
...
These type "tests" are really, primarily, good for one thing.....forum discussions.

While I agree that comparing lenses wide open when they have different max apertures is pretty silly (as stated in the article)I found the f2.8 and f4 comparisons interesting but like you said not out of line with what you would expect.
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Old May 11, 2012, 4:45 PM   #4
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The one lens in that group that I have used and has always underwhelmed me, is the 17mm f2.8, and it's very disappointing. It's a great size, great focal length, the silver version looks sexy as heck on my E-P3, but I've captured nothing with it that makes me really glad I bought it.
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