Comparison of Canon EF 300mm f/2.8L IS USM and Nikon 300mm f/2.8D ED-IF II AF-S Nikkor

Attribute	Nikon 300mm f/2.8D ED-IF II AF-S Nikkor ×	Canon EF 300mm f/2.8L IS USM ×
Aperture (f)	2.80 - 22.00	2.80 - 32.00
Filter Size (mm)	52	52
Notes	Included Accessories: CL-L1 Case, HK-26 Hood, LN-1 Strap, 52mm filter holder, Gel Filter Holder	Image Stabilization; Magnesium alloy lens barrels
Closest Focus (m)	2.3	2.5
Magnification Ratio (x)	0.16	0.13
Type	Telephoto Prime	Telephoto Prime
Focus Details	Internal with Silent Wave motor; M/A switch	Inner focusing; full-time manual focus and USM
APS Equivalent	450mm	480mm
Diaphragm Blades	9	8
Image Circle	35mm	35mm
Focal Length (mm)	300.00	300.00
Brand	Nikon	Canon
Name	Nikon 300mm f/2.8D ED-IF II AF-S Nikkor	Canon EF 300mm f/2.8L IS USM
Weight (g)	2590	2550
Diagonal Angle of View (degree)	8.20	8.30
Length (mm)	269	252
Diameter (mm)	122	128
Lens Construction	11 elements in 8 groups, including 3 ED elements	17 elements in 13 groups, including 1 flourite and 2 UD elements