Comparison of Canon EF-M 11-22mm f/4-5.6 IS STM and Pentax SMC P-FA 20-35mm f/4 AL

Attribute	Pentax SMC P-FA 20-35mm f/4 AL ×	Canon EF-M 11-22mm f/4-5.6 IS STM ×
Filter Size (mm)	58	55
Closest Focus (m)	0.3	0.15
Magnification Ratio (x)	0.06	0.3
Length (mm)	68	58.2
Focus Details	-	Internal using Stepper Motor (STM); Full time manual focus
Diaphragm Blades Type	-	rounded
Zoom System	Rotary	Rotary
Image Circle	35mm	APS-C
Focal Length (mm)	20.00 - 35.00	11.00 - 22.00
Name	Pentax SMC P-FA 20-35mm f/4 AL	Canon EF-M 11-22mm f/4-5.6 IS STM
Brand	Pentax	Canon
Weight (g)	245	220
Type	Wide Zoom	Wide Zoom
Lens Construction	10 elements in 8 groups, including 2 aspherical elements	12 elements in 9 groups
Notes	-	Image Stabilization (3 stops), including Dynamic IS for movies; EF-M lens mount exclusively for Canon EOS M bodies.
APS Equivalent	30 - 52.5mm	18 - 35mm
Aperture (f)	4.00 - 22.00	4.00 - 32.00
Diaphragm Blades	-	7
Diagonal Angle of View (degree)	64.00 - 94.00	63.30 - 102.10
Diameter (mm)	69.5	60.9