Samyang 21mm f/1.4 ED AS UMC CS Review

October 7, 2015 | Mark Goldstein | Rating star Rating star Rating star Rating star


Lens type Standard prime lens for Mirrorless APS-C or smaller sensor
Focal length 21mm
Maximum aperture f1.4
Min aperture f22
Angle of view 66.4 degrees (1.6x crop APS-C), 69.3 degrees (1.5x APS-C), 55.6 (MFT)
Min focusing distance 0.28m
No. of diaphragm blades 9 (circular blades)
Focus type MF (Manual Focus only)
Lens construction 8 elements in 7 groups, 1 ED lens element, 3 aspherical lenses (ASP)
Dimensions 54.3mm diameter, length 66.4 to 67.9mm (approx, dependent on mount)
Weight 275g - 290g (dependent on mount)
Lens hood: Detachable
Filter Size: 58mm
Available mounts Sony E, Micro Four Thirds (MFT), Fujifilm X mount and Canon M