Comparison of Canon EF-S 24mm ƒ/2.8 STM and Sony E 20mm f/2.8 SEL20F28

Attribute	Canon EF-S 24mm ƒ/2.8 STM ×	Sony E 20mm f/2.8 SEL20F28 ×
Filter Size (mm)	52	49
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Closest Focus (m)	0.16	0.2
Magnification Ratio (x)	0.27	0.12
Type	Wide Prime	Wide Prime
Focus Details	Stepping motor (STM) for smooth, near silent AF when shooting stills and movies; full-time manual focus	Autofocus with stepper motor (quiet AF for movie capture); Direct Manual Focus supported.
APS Equivalent	38mm	30mm
Diameter (mm)	68.2	62.6
Image Circle	APS-C	APS-C (Sony E-Mount)
Focal Length (mm)	24.00	20.00
Brand	Canon	Sony
Name	Canon EF-S 24mm ƒ/2.8 STM	Sony E 20mm f/2.8 SEL20F28
Weight (g)	125	69
Diaphragm Blades Type	rounded	rounded
Diaphragm Blades	7	7
Diagonal Angle of View (degree)	34.90	-
Length (mm)	22.8	20.4
Notes	-	Sony E-Mount. Included Accessories: front and rear lens caps.
Lens Construction	6 elements in 5 groups, including 1 aspherical element	6 elements in 6 groups, includes 3 aspherical surfaces