Panasonic LUMIX G 20mm f/1.7 II ASPH. Lens (Silver)

Model #H-H020AS

USA Version
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Weight 3.07 oz (87 g)
Dimensions (DxL) Approx. 2.48 x 1.00" (63 x 25.5 mm)
Filter Thread Front:46 mm


Format Compatibility Micro Four Thirds
Angle of View 57°
Minimum Focus Distance 7.87" (20 cm)
Magnification 0.13x
Focal Length 20mm
Comparable 35mm Focal Length: 40 mm
Elements/Groups 7/5
Diaphragm Blades 7
Maximum Reproduction Ratio 1:8
Aperture Maximum: f/1.7
Minimum: f/16
Camera Mount Type Micro Four Thirds


Autofocus Yes
Image Stabilization No
Expert Reviews
16 August 2013

The Panasonic Lumix G 20mm f/1.7 II with a redesigned styling and metal parts, and this gives a very slight improvement in resistance to flare, as well as a slight improvement in contrast.

  • +

    Same excellent image quality as the original, Improved build with metal construction, Slightly improved resistance to flare, Improved design

  • -

    Same focus system as old lens, Increased price

User Reviews
B h photo.32817553
22 October 2015

I have been taking photographs since I picked up my first camera while serving in the Army back in 1959. I shot weddings, worked for a newspaper and been published in magazines and this is one of the best lens that I have ever owned.

31 December 2015

Realy compact, looks & fell durable, slightly slow & noisy motor - only for taking photos. Only 1.7 aperture has right shaping circle in bokeh zone, but this no contra - nuance ;) Sufficiently sharp. To my mind universal focal range. Size/quality - best side of this lens

14 October 2013

This is a really sharp lens, and it's small, so it's very unobtrusive. This makes it great for street photography. In 35mm terms, it's a 40mm lens, which is very close to being 'normal' i.e. mimicking the normal field of view.

  • +

    Easy To Use, Lightweight, Reliable

12 September 2014

This item is a lens and lens cap only in what seems to be a manufacturers stock box. There is not a rear mount cover. There is not an instruction book. The box is generic white cardboard with a product number and bar code.

Product Highlights
  • Micro Four Thirds System
  • Fast f/1.7 Maximum Aperture
  • Aperture Range: f/1.7-16
  • 20mm Focal Length (35mm Equiv: 40mm)
  • 2 Aspherical Elements
  • 7 Rounded Diaphragm Blades
  • Multi-Coated Elements
  • Minimum Focusing Distance: 7.87"
  • Durable Metal Mount and Body
  • 46mm Filter Diameter
In The Box
  • Panasonic LUMIX G 20mm f/1.7 II ASPH. Lens (Silver)
  • Front Lens Cap
  • Rear Lens Cap
  • Lens Storage Bag
  • Limited 1-Year Warranty (U.S.A. and Puerto Rico)
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