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

Started Feb 16, 2014 | Discussions thread
Paul Auclair Veteran Member • Posts: 4,895

Anders W wrote:

Paul Auclair wrote:

yes indeed the Ziess is sharp. WOW!

i'd like to see a 2.8 Ziess vs 2.8 P/L comparison (don't give a hoot about DoF/Bokeh) just like to see the sharpness.

Can't give you sample images but here are the sharpness figures as provided by LensRentals with the Pany 20/1.7 thrown in for additional comparison (MTF-50 for unsharpened output from RAW files, line pairs per image height, center/average):

Zeiss ZM 50/2 on Leica M9 (18 MP, no AA filter)

2.0 760/620

2.8 890/670

4.0 940/750

Panasonic 25/1.4 on Olympus E-M5 (16 MP)

1.4 690/590

2.8 960/820

4.0 980/850

Panasonic 20/1.7 on Olympus E-M5 (16 MP)

1.7 870/735

2.8 1050/875

4.0 1075/880

impressive m4/3 gear.


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