Panny 25mm 1.4 vs Olympus 25mm 1.8 Reviewed

Started Feb 15, 2014 | Discussions thread
amtberg Veteran Member • Posts: 6,144
Re: Panasonic lenses don't work well on Olympus cameras

sigala1 wrote:

dgrogers wrote:

Robin Wong has compared the Panny 25mm 1.4 to the Olympus 25mm 1.8.

There are some interesting points. First, the Panasonic required a slower shutter speed at the same aperture, meaning there may be a difference in the way Olympus measures their f/stop and the way Panasonic does.

There seems to be very little difference in background blur, but there is a hair more with the Panasonic.

The Olympus lens was sharper at times, but not all the time. The Olympus lens did have better corner sharpness.

After reading this, I would choose whichever lens was cheaper, though you should note the Olympus lens is smaller and lighter.

The Olympus will work better on Olympus bodies if CA is a concern. It may be the reverse on Panasonic bodies.

This review demonstrates the points of made before on this forum (but usually people just get mad at me when I make these points).

Panasonic lenses do NOT work as well on Olympus cameras as they do on Panasonic cameras.

On the Olympus camera, the 25mm f/1.4 had more purple fringing, and Robin also noticed that the Panasonic lens had some focusing problems.

Regarding the purple fringing, Panasonic cameras have a built in strong UV filter that prevents purple fringing, so they don't design their lenses to correct for CA in the near-UV spectrum which leads to purple fringing.

True, but it's correctible in software, or by using a UV2A filter.  There's not correcting for 2/3 stop slower.

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