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

Model: H-H020AK

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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
23 February 2017

This is a very good, fast, prime lens for walking around and general street photography. This lens very closely matches how I see the World around me. The angle of view is a little wide, but, for most purposes, it delivers a very "normal" perspective.

30 December 2015

i use it to take some photos of my friends

  • +

    Easily Interchangeable, Lightweight

  • -

    Slow Focus

2 weeks ago

This is a great lens for traveling light. Photos are very sharp and the lens is small and unobtrusive. Overall am very happy with this lens.

3 weeks ago

I bought this lens over the Lumix 25mm f/1.7 lens because I prefer a wider "normal" lens, and so far I've been very happy with it's performance. It seems to be slightly faster focusing that the first version of this lens, which was known to be an AF slow-poke.

2 August 2017

The little lens is just awesome. Small but certainly not a toy. I can produce great results all while keeping your camera nice and compact. The Lumix G 20mm f1.7 II ASPH is one of the little gems of the Panasonic line-up.

13 July 2017

Love this little lens. It is lightweight, compact and takes sharp photos. Only downside is autofocus is not lightning but totally acceptable.

13 July 2017

I bought this to be my main lens. The whole idea of having a smaller mirrorless camera is portability.I use my camera for hiking up a 1200 foot mountain in the morning to film the sunrise.

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 (Black)
  • Front Lens Cap
  • Rear Lens Cap
  • Lens Storage Bag
  • Limited 1-Year Warranty (U.S.A. and Puerto Rico)
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