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Panasonic Lumix G 20mm F1.7 Asph. vs Samyang 20mm f/1.8 ED AS UMC

Both are Micro Four Thirds prime lenses. Here is what actually differs.

Pick the Panasonic Lumix G 20mm F1.7 Asph. if

  • You want the lighter lens to carry: 420 g lighter (100 g vs 520 g)
  • You want a compact lens: 25.5 mm vs 113.2 mm long

Pick the Samyang 20mm f/1.8 ED AS UMC if

Our spec data shows no clear advantage for this lens.

Spec differences

10 differences
Specifications that differ between the Panasonic Lumix G 20mm F1.7 Asph. and the Samyang 20mm f/1.8 ED AS UMC
Panasonic Lumix G 20mm F1.7 Asph. Samyang 20mm f/1.8 ED AS UMC
Brand
Panasonic
Samyang
Format
not listed
Full frame
Max aperture
f/1.7
f/1.8
Weight
100 g lighter
520 g
Length
25.5 mm shorter
113.2 mm
Diameter
63 mm slimmer
83 mm
Filter thread
46 mm
77 mm
Max magnification
0.13×
not listed
Optical design
7 elements / 5 groups
13 elements / 12 groups
Autofocus motor
not listed
Manual focus
5 identical specs hidden: mount, type, focal length, min focus distance, image stabilization. Show all
Mount
Micro Four Thirds both
Type
Prime both
Focal length
20mm both
Min focus distance
0.2 m both
Image stabilization
No both

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