Comparison of Canon EF-M 32mm f/1.4 STM and Sigma 30mm f/1.4 DC DN Contemporary

Attribute	Sigma 30mm f/1.4 DC DN Contemporary ×	Canon EF-M 32mm f/1.4 STM ×
Filter Size (mm)	52	43
Notes	Available AF mounts: Micro Four Thirds, Sony E-Mount. Included Accessories: Lens caps, lens hood. Compatible with Sigma USB Dock.	Included Accessories: Lens cap E-43, Lens hood ES-60 and Lens case LP-1014
Closest Focus (m)	0.3	0.23
Magnification Ratio (x)	0.14	0.25
Type	Standard Prime	Standard Prime
Length (mm)	73.4	56.5
APS Equivalent	1.5x: 45mm; 1.6x: 48mm	51mm
Diagonal Angle of View (degree)	50.70	46.17
Image Circle	Image Circle	APS-C
Focal Length (mm)	30.00	32.00
Brand	Sigma	Canon
Name	Sigma 30mm f/1.4 DC DN Contemporary	Canon EF-M 32mm f/1.4 STM
Weight (g)	264	235
Aperture (f)	1.40 - 16.00	1.40 - 16.00
Diaphragm Blades	9	7
Diaphragm Blades Type	rounded	rounded
Lens Construction	9 elements in 7 groups, including 1 aspherical element and 1 double-sided aspherical element	14 elements in 8 groups, including 1 glass molded aspherical element; Super Spectra Coating
Diameter (mm)	66	60.9
Focus Details	Autofocus via stepper motor designed to support video	Internal using STM (stepper motor), with full-time manual focus; Focus Limiter