MFT 25mm f/1.4 fails to blur background like Full Frame 50mm lens @ f/2.8

Started Feb 16, 2014 | Discussions thread
David Kieltyka
David Kieltyka Veteran Member • Posts: 5,243
Re: Two closer looks

Steen Bay wrote:

The amount of background blur also looks pretty similar to me, but I'd say that the 25/1.4 image looks more than a bit soft where the focusplane should be. Maybe a bit out of focus?

I initially thought the AF had slightly missed but I checked it manually and that was as good as it got. Might be related to this particular focus distance, about 1 meter. Of course the Zeiss is a seriously good lens too, IMO the best 50mm I own, so the comparison isn't even in that regard. Stopping down to f/2 with the PanaLeica makes a big difference resolution-wise. In some ways an f/2 vs. f/4 test might be fairer since then both lenses are stopped down. But I'll leave that to other folks.


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