see also:

• Micro Four Thirds system
• a catalogue of Micro Four Thirds lenses
• Panasonic Leica DG Summilux 25mm f/1.4 ASPH lens
• Sigma 19mm f/2.8 EX DN asph lens for Micro Four Thirds
• Olympus m.ZD 17mm f/2.8 pancake lens
• using the 20mm lens for social events such as Xmas parties - just awesome!

• this is a brilliant compact party lens - just add a bounce flash and away you go!
• a must have for Micro Four Thirds system users

• 20mm focal length = 40mm field of view in 35mm full frame terms = perfect for street photography and party snaps
• f/1.7 aperture = great for low light shots such as indoor parties, and urban street night shots
• tiny pancake lens design
• 46mm filter thread

• noisy, slowish AF compared with new designs
• CA can be a nuisance when used on Olympus cameras - those users may want to consider the cheaper Sigma 19mm f/2.8 EX DN asph lens for Micro Four Thirds
• strange issue with banding when used on the Olympus OM-D E-M5 camera at ISO 1600 or higher
• incredibly sharp in the centre
• 100g
• $340

• announced June 2013
• metal barrel instead of plastic
• very similar lens otherwise
• 7 lenses in 5 groups. 2 aspherical lens
• 25.5mm long x 63mm wide
• 87g

• Review on photozone.de:
  • some distortion and CA on Oly cameras
  • moderate vignetting
  • very sharp, especially in the centre
  • bokeh not the nicest but this lens is not really a lens to blur the background substantially anyway with its 20mm focal length.

• DxOMark comparison with version I
  • not quite as sharp as v1 but very similar otherwise
• Steve Huff's review

• using the 20mm lens for social events such as Xmas parties - just awesome!
• Flickr - my photo set

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