Nice lens. Front doesn't move with focus, right? Might exchange my 20mm with this, but in six months or so.

Quite sharp.

http://robinwong.blogspot.it/2014/02/olympus-mzuiko-25mm-f18-review-part-1.html

http://www.ephotozine.com/article/olympus-m-zuiko-25mm-f-1-8-sample-photos-23996

http://www.bestmirrorlesscamerareviews.com/2014/02/18/m-zuiko-25mm-f1-8-review-a-small-yet-capable-prime-from-olympus/

The Panasonic Leica 25mm f/1.4 is a solid performing premium quality m43 lens. It's tough enough that it should stand up to several years rattling around in pockets or the bottom of camera bags and versatile enough that it will shoot in any conditions you can throw at it where there is actually some light.

http://www.shotslot.net/2014/02/panasonic-lumix-leica-dg-summilux-25mm.html

Comparison with other 35mm lenses at http://www.pixelmania.nl/2/2163/MFT_25_mm_‘lens_battle’

http://www.ephotozine.com/article/olympus-m-zuiko-25mm-f-1-8-sample-photos-23996

Imatest showed JPEG files from the E-M5 to be close to meeting expectations for the camera's 15.9-megapixel sensor near the center of the frame.

http://photoreview.com.au/reviews/lenses/m4-3/olympus-m.zuiko-digital-25mm-f-1.8

The new Olympus 25mm f/1.8 challenges Panasonic 25mm lens and matches up very, very well. While I find the extra 2/3 stop and slightly better bokeh of the Panasonic Leica more important for my own shooting, the Olympus 25mm is going to be the better choice if cross-frame sharpness is critical at wide apertures, or simply if size is of utmost importance. The Olympus is a significantly smaller lens that only gives up a little speed to its more expensive brother, and that makes it a great lens to have in the system.

http://admiringlight.com/blog/olympus-25mm-f1-8-vs-panasonic-leica-25mm-f1-4/

http://www.photographyblog.com/previews/olympus_m_zuiko_digital_25mm_f_18_photos/

http://www.lenstip.com/index.php?test=obiektywu&test_ob=401

The sharpness in the in the center is actually equal to the sharpness in the corners – from full aperture on. That is a very good performance and increases the usability of this lens.

http://www.camerastuffreview.com/olympus-lens-review/review-olympus-25mm-f1-8