Comparison of Canon RF 70-200mm f/2.8L IS USM and Pentax 60-250mm ƒ/4 ED IF SDM SMC DA*

Attribute	Canon RF 70-200mm f/2.8L IS USM ×	Pentax 60-250mm ƒ/4 ED IF SDM SMC DA* ×
Notes	Image stabilization with up to 5 stops of correction at 200mm; Dust and moisture resistant.	Included Accessories: Lens Hood
Magnification Ratio (x)	0.23	0.15
Filter Size (mm)	77	67
Length (mm)	146	167.5
Closest Focus (m)	0.7	1.1
Diagonal Angle of View (degree)	12.00 - 34.00	6.50 - 26.50
Focus Details	Internal; Dual Nano Ultrasonic Motor (USM) with full-time manual focus; Focus limit switch	Hybrid SDM/screw drive autofocus, AF/MF switch
Focal Length (mm)	70.00 - 200.00	60.00 - 250.00
APS Equivalent	112 - 320mm	92 - 383mm
Brand	Canon	Pentax
Image Circle	35mm	APS-C
Name	Canon RF 70-200mm f/2.8L IS USM	Pentax 60-250mm ƒ/4 ED IF SDM SMC DA*
Weight (g)	1070	1230
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	2.80 - 32.00	4.00 - 32.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	-
Lens Construction	17 elements in 13 groups, including 2* glass-molded aspherical, one super UD, 4* UD (One of which is UD Aspherical) elements; SWC coating	15 elements in 13 groups, including 2 ED elements
Zoom System	Rotary	Rotary
Diameter (mm)	89.9	82