Comparison of Canon EF 35mmm ƒ/1.4L II USM and Sigma 28mm f/1.4 DG HSM Art

Attribute	Sigma 28mm f/1.4 DG HSM Art ×	Canon EF 35mmm ƒ/1.4L II USM ×
Filter Size (mm)	77	72
Notes	Available AF Mounts: Canon EF, L-Mount, Nikon F, Sigma SA and Sony E; Compatible with Sigma's USB Dock and Mount Conversion Service	Dust and water resistant; Included Accessories: EW-77B lens hood, LP1219 lens pouch, lens caps.
Closest Focus (m)	0.28	0.28
Magnification Ratio (x)	0.19	0.21
Type	Wide Prime	Wide Prime
Length (mm)	107.7	105.5
APS Equivalent	1.5x: 42mm; 1.6x: 44.8mm	56mm
Diagonal Angle of View (degree)	75.40	63.00
Image Circle	35mm	35mm
Focal Length (mm)	28.00	35.00
Brand	Sigma	Canon
Name	Sigma 28mm f/1.4 DG HSM Art	Canon EF 35mmm ƒ/1.4L II USM
Weight (g)	865	760
Aperture (f)	1.40 - 16.00	1.40 - 22.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	circular
Lens Construction	17 elements in 12 groups, including 2 FLD, 3 SLD and 3 aspherical elements	14 elements in 11 groups, including 1 BR (Blue spectrum Refractive), 1 UD and 2 aspherical elements; Sub-Wavelength Structure Coating (SWC)
Diameter (mm)	82.8	80.4
Focus Details	HSM (Hypersonic Motor) with full-time manual focus override	Rear focusing; full-time manual focus and USM