Comparison of Sigma 14mm f/1.8 DG HSM Art and Sigma 20mm ƒ/1.4 DG HSM Art

Attribute	Sigma 20mm ƒ/1.4 DG HSM Art ×	Sigma 14mm f/1.8 DG HSM Art ×
Diaphragm Blades Type	rounded	rounded
Notes	Available AF Mounts: Sigma SA, Canon EF, L-Mount, Nikon F, Sony E; Compatible with Sigma's USB Dock and Mount Conversion Service	Available AF Mounts: Sigma SA, Canon EF, L-Mount, Nikon F, Sony E; Compatible with Mount Converter MC-11
Aperture (f)	1.40 - 16.00	1.80 - 16.00
Closest Focus (m)	0.28	0.27
Magnification Ratio (x)	0.14	0.1
Type	Wide Prime	Wide Prime
Focus Details	HSM (Hypersonic Motor) with full-time manual focus override	Internal focus; HSM with full-time manual override
APS Equivalent	1.5x: 30mm; 1.6x: 32mm	1.5x: 21mm; 1.6x: 22.4mm
Diaphragm Blades	9	9
Image Circle	35mm	35mm
Focal Length (mm)	20.00	14.00
Brand	Sigma	Sigma
Name	Sigma 20mm ƒ/1.4 DG HSM Art	Sigma 14mm f/1.8 DG HSM Art
Weight (g)	963	1170
Diagonal Angle of View (degree)	94.50	114.20
Length (mm)	91.4	126
Diameter (mm)	129.5	95.4
Lens Construction	15 elements in 11 groups, including 1 double-sided aspherical, 2 FLD and 5 SLD elements	16 elements in 11 groups, including 4 SLD and 3 FLD elements