Comparison of Samyang/Rokinon 14mm ƒ/2.8 IF ED UMC and Sigma 14mm f/2.8 EX Aspherical HSM

Attribute	Samyang/Rokinon 14mm ƒ/2.8 IF ED UMC ×	Sigma 14mm f/2.8 EX Aspherical HSM ×
Name	Samyang/Rokinon 14mm ƒ/2.8 IF ED UMC	Sigma 14mm f/2.8 EX Aspherical HSM
Weight (g)	555	630
Image Circle	35mm	35mm
Brand	Samyangrokinon	Sigma
APS Equivalent	1.5x: 21mm; 1.6x: 22.4mm	1.5x: 21mm; 1.6x: 22.4mm
Focal Length (mm)	14.00	14.00
Lens Construction	14 elements in 12 groups, including 1 glass aspherical, 1 hybrid aspherical, and 2 ED elements	14 elements in 10 groups, including 2 aspherical and 2 SLD elements
Diameter (mm)	87	82
Closest Focus (m)	0.28	0.18
Focus Details	Manual focus only; Internal	Internal focus; HSM with full-time manual override
Notes	Available Lens Mounts: Canon EF, Nikon F, Pentax K, Samsung NX, Sony A, Olympus Four Thirds; Included Accessories: lens cap, lens pouch.	Available AF Mounts: [HSM version]: Sigma, Canon, Nikon; [w/o HSM]: Minolta, Pentax
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Diagonal Angle of View (degree)	115.70	114.20
Type	Wide Prime	Wide Prime
Diaphragm Blades	6	7
Magnification Ratio (x)	-	0.2
Length (mm)	96.1	91