This 20mm pancake lens from Panasonic for Micro Four Thirds system cameras costs around ￡290 and sports a bright maximum aperture of f/1.7 and internal focusing.

The Panasonic Lumix G 20mm f/1.7 ASPH is an interesting little being. The center image quality is nothing short of phenomenal. The borders are slightly worse but still very good level and that's straight from f/1.7.

The Panasonic 20 1.7 Lens Review for Micro 4/3 – I am back again with another lens review and this time it is one that I have had some real fun shooting for the past 3+ weeks on a daily basis. This review should be simple, right? Possibly the simplest I have ever written. Why you ask?

Given its 17.3x13mm sensor, the standard lens for a Micro Four Thirds camera (according to the rule of using the diagonal length of the sensor) ought to be about 22mm. That is close enough to 20mm for this lens to be viewed as a standard optic, especially given its fast f/1.7 aperture, which echoes...

f/1.7 fast aperture

slightly noisy AF

The picture below illustrates the lens's angle of view (taken from our standard position):

Extremely small size and light weight - the perfect match for the E-P1 and GF1; Fast maximum aperture; Impressive image quality at all apertures; Good build quality; proper manual focus ring and non-rotating front element

Comparatively expensive (at least at launch; No lens hood

Launched at the same time as the Lumix DMC-GF1 camera Panasonic's Lumix G 20mm f/1.7 ASPH. lens will be offered with the camera body and makes an attractive kit option for serious photographers.