Comparison of Canon EF 200mm ƒ/2.8L II USM and Pentax 200mm f/2.8 ED IF SDM SMC DA*

Attribute	Pentax 200mm f/2.8 ED IF SDM SMC DA* ×	Canon EF 200mm ƒ/2.8L II USM ×
Aperture (f)	2.80 - 22.00	2.80 - 32.00
Filter Size (mm)	77	72
Notes	Included Accessories: PH-RBK Hood	Dedicated detachable hood included
Closest Focus (m)	1.2	1.5
Magnification Ratio (x)	0.2	0.16
Type	Telephoto Prime	Telephoto Prime
Focus Details	Internal, SDM (Supersonic Motor) with Quick-shift Focus System	Inner focusing; full-time manual focus and USM
APS Equivalent	300mm	320mm
Diaphragm Blades	9	8
Image Circle	APS-C	35mm
Focal Length (mm)	200.00	200.00
Brand	Pentax	Canon
Name	Pentax 200mm f/2.8 ED IF SDM SMC DA*	Canon EF 200mm ƒ/2.8L II USM
Weight (g)	825	765
Diagonal Angle of View (degree)	8.10	12.00
Length (mm)	134	136
Diameter (mm)	83	83
Lens Construction	9 elements in 8 groups	9 elements in 7 groups, including 2 UD elements