Samyang/Rokinon 20mm f/1.8 ED AS UMC Review – Digital Camera World | Ad On Picture

The Samyang/Rokinon 20mm f/1.8 ED AS UMC is a full-frame compatible ultra wide-angle prime lens available in a variety of mounting options for full-frame and crop sensor cameras. As such, it offers a generous viewing angle of 94.8 degrees for full-frame bodies (measured along the diagonal of the frame), 66.9 to 70.3 degrees for APS-C format cameras, and a more restrictive 56.1 degrees for Micro Four Thirds. Most mount options are a fully manual or “dumb” lens with no electronic communication with the camera body.

specifications

Assemble: Canon EF/EF-M, Fuji X, MFT, Nikon F, Pentax K, Samsung NX, Sony A/E
full screen: Yes (depending on mount)
Auto Focus: no
Stabilization: no
Lens construction: 13 elements in 12 groups
viewing angle: 94.8 degrees FF, 66.9 to 70.3 degrees APS-C, 56.1 degrees MFT
membrane sheets: 7
Minimum opening: Aperture 22
Minimum focus distance: 0.2m
Maximum magnification factor: Not specified
Filter size: 77mm
Dimensions: 83×86-114mm (depending on bracket)
Weight: 488-565 g (depending on bracket)

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