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Panasonic Micro Four Thirds mount Ultra-wide prime

Panasonic Lumix G 20mm F1.7 Asph.

Quick answer

The Panasonic Lumix G 20mm F1.7 Asph. is a ultra-wide prime lens covering 20mm at f/1.7 for the Micro Four Thirds mount. Its fast maximum aperture helps in dim light and gives good subject separation.

Focal
20mm
Aperture
f/1.7
Weight
100g
Filter
46mm
Min focus
0.2m

What 20mm sees

Micro Four Thirds crop 2.0× → 40mm
56.8° 48.5° horizontal

Diagonal angle of view. Frames drawn to scale at 20mm. Calculated from the focal length and crop factor, not measured.

Open the field-of-view calculator

Panasonic Lumix G 20mm F1.7 Asph. specifications

Optics

Focal length
20mm
Maximum aperture
f/1.7
Format coverage
Micro four thirds
Optical construction
7 elements in 5 groups

Focus

Minimum focus distance
0.2 m
Maximum magnification
0.13×

Physical

Filter thread
46 mm
Weight
100 g
Length
25.5 mm
Diameter
63 mm

General

Brand
Panasonic
Lens type
Prime

Specification source: en.wikipedia.org

What can you shoot with the Panasonic Lumix G 20mm F1.7 Asph.?

At 20mm this is a ultra-wide prime, which typically suits:

  • Landscapes and big skies
  • Architecture and interiors
  • Astrophotography and night skies

Its fast maximum aperture helps in dim light and gives good subject separation.

Frequently asked questions

What mount does the Panasonic Lumix G 20mm F1.7 Asph. use?

It uses the Micro Four Thirds mount, so it fits Micro Four Thirds cameras directly.

What is the focal length of the Panasonic Lumix G 20mm F1.7 Asph.?

It is a fixed 20mm lens with a maximum aperture of f/1.7. That makes it a ultra-wide lens.

Is the Panasonic Lumix G 20mm F1.7 Asph. a prime or a zoom lens?

It is a prime lens with a fixed 20mm focal length. Primes usually open wider than zooms; this one opens to f/1.7.

What is the Panasonic Lumix G 20mm F1.7 Asph. equivalent on a crop sensor?

On Micro Four Thirds (2x crop) it frames like 40mm on full frame, with a 48.5° horizontal and 56.8° diagonal field of view. These figures are calculated from the focal length and crop factor.

Which cameras does the Panasonic Lumix G 20mm F1.7 Asph. fit?

Any Micro Four Thirds-mount camera, including OM System OM-1, OM System OM-1 Mark II, OM System OM-5, Olympus OM-D E-M1, and Olympus OM-D E-M1 Mark II and 63 more.