Panasonic Lumix G 20mmf/1.7 II ASPH lens review

The Panasonic Lumix G 20mm f/1.7 II ASPH. is a minor upgrade to the original Panasonic 20mm f/1.7.

Panasonic have re-designed the mechanics of the lens providing a new all black or all silver finish rather than the two-tone black/grey finish of the original lens.

Focussing too has been upgraded with the new lens proving to be somewhat faster and quieter to attain focus than the original lens.

At f1.7 using Olympus OM-D E-M5

The original optical design remains unchanged with 2 aspherical elements included in the 7 element in 5 groups design, 7 blade circular aperture design, metal mount. Weight has increased from 87g to 100g.

The 20mm focal length equates to 40mm in 35mm terms and so falls between the classic 35mm and 50mm focal lengths, For many users this is an ideal lens to use as a general purpose prime lens and for others it is slightly too long or slightly too short!

For me the 20mm/40mm equivalent length is almost ideal – a step back and you have 35mm and a step forward you have 50mm effectively. 

It’s a nice compact lens – not as compact as the Panasonic 14mm, but compact nevertheless. Resistance to flare is excellent – just as well as Panasonic do not include a lens hood or even offer one as an accessory. If you want a hood then there are plenty of options out there.

Performance is excellent right from f/1.7 and the nice bright open aperture allows you to isolate your subject with a pleasing out of focus effect. The closer you are to your subject and the further away the background the more pronounced this effect becomes.

So, the 20mm f/1.7 II provides an excellent all-round prime performance and is a very desirable lens for any micro-4/3rds user and comes highly recommended.

The lens is supplied with front and rear caps and a pouch case and accepts optional 46mm filters and is available on the Park Cameras website here in Black or here in Silver.

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