Comparison of Canon EF-M 28mm f/3.5 Macro IS STM and Sigma 19mm F2.8 EX DN

Attribute	Sigma 19mm F2.8 EX DN ×	Canon EF-M 28mm f/3.5 Macro IS STM ×
Filter Size (mm)	46	43
Notes	Lens mounts: Sony E-Mount, Micro Four Thirds. Sigma's Super Multi-Layer Coating.	Built-in Macro Light; Hybrid Image Stabilization (3.5 stops); ES-22 Lens hood and lens caps included.
Closest Focus (m)	0.2	0.09
Magnification Ratio (x)	0.14	1.2
Type	Wide Prime	Wide Prime Macro
Length (mm)	45.7	45.5
APS Equivalent	1.5x: 28.5mm; 2.0x: 38mm	45mm
Diagonal Angle of View (degree)	59.30	51.90
Image Circle	APS-C	APS-C
Focal Length (mm)	19.00	28.00
Brand	Sigma	Canon
Name	Sigma 19mm F2.8 EX DN	Canon EF-M 28mm f/3.5 Macro IS STM
Weight (g)	140	130
Aperture (f)	2.80 - 22.00	3.50 - 22.00
Diaphragm Blades	7	7
Diaphragm Blades Type	rounded	rounded
Lens Construction	8 elements in 6 groups, including 3 aspherical elements	11 elements in 10 groups, including 1 UD and 2 aspherical elements
Diameter (mm)	60.6	60.9
Focus Details	Inner focusing with linear AF motor	AF using STM (stepper motor), with full-time manual focus