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Micro Four Thirds lenses

Lenses for the Micro Four Thirds ecosystem of cameras

Compare Samyang UMC 50mm f1.4 vs. YI YI Tech 42.5mm f1.8

This is a side-by-side comparison of the specs of the UMC 50mm f1.4 vs. the YI Tech 42.5mm f1.8. Differences are highlighted in yellow.
Item UMC 50mm f1.4 YI Tech 42.5mm f1.8
Item image Item image
Focal length 50mm [x] 42.5mm [x]
Maximum aperture f1.4 [x] f1.8 [x]
Focus Manual [x] Autofocus [x]
Release year 2017 [x]
Lens type Prime [x] Prime [x]
Length 1cm [x] 6.1cm [x]
Weight 0.555kg [x]
Weather sealed? No [x] No [x]
Colour Black [x] Black [x] / Silver [x]
Price at launch $200 [x]
Filter attachment diameter 77 [x] 49 [x]
Depth 8.2cm [x] 5.7cm [x]
Minimum focusing distance 0.45m [x] 0.25m [x]
Filter attachment? Yes [x] Yes [x]
Collapsing? No [x] No [x]
Optical image stabilisation? No [x] No [x]
Tripod mount? No [x] No [x]
Power zoom No [x] No [x]
Aperture ring? No [x] No [x]
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