sharpest wideangle to normal zoom at f8?

Started Feb 14, 2013 | Questions thread
tt321
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Re: sharpest wideangle to normal zoom at f8?
In reply to kenw, Feb 14, 2013

kenw wrote:

At F/8.0 you definitely don't need the 12-35/2.8 or an adapted 2.0 zoom from 4/3. At F/8 you are going to diffraction limit every zoom lens made for m43 at the center of the frame. You will only see slight differences in the edges at that aperture. The Panasonic 14-45 has always had a slight advantage over the Panasonic 14-42 and Olympus 14-42 lenses but again at F/8 the differences will not be large.

In fact, according to some tests at f8 the Panasonic 14-42 is superior to more expensive choices. At wider apertures it is competent, but improvement on stopping down does not end by f5.6 and f8 is superior to f5.6, which is not common.

So if one wants a lens which is at best at f8, both compared with other lenses and with its own other apertures, the lowly 14-42 will do.

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