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

Started Feb 16, 2014 | Discussions thread
G1Houston Senior Member • Posts: 2,684
The test was not conducted properly.

First of all the degrees of blur in the first and second pictures are very close, which can be easily influenced by variation in the lens, if f1.4 is not quite f1.4 and f2.8 is not quite f2.8. More lens of the same kind should be tested. Second, and most important of all, the picture shot with the 25mm lens is slightly out of focus, making it impossible to know how it should be compared to the one taken by the 50mm lens, which focused right on the flash head.

 G1Houston's gear list:G1Houston's gear list
Nikon D7100 Olympus OM-D E-M10 II Nikon AF-S DX Nikkor 35mm F1.8G Panasonic Lumix G 20mm F1.7 ASPH Sigma 50mm F1.4 EX DG HSM +6 more
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