Comparison of Canon EF 100-300mm f/4.5-5.6 USM and Nikon 70-300mm f/4-5.6D ED AF Nikkor

Attribute	Nikon 70-300mm f/4-5.6D ED AF Nikkor ×	Canon EF 100-300mm f/4.5-5.6 USM ×
Diagonal Angle of View (degree)	8.20 - 34.30	8.30 - 24.00
Filter Size (mm)	62	58
Aperture (f)	4.00 - 32.00	4.50 - 38.00
Closest Focus (m)	1.5	1.5
Magnification Ratio (x)	0.26	0.2
Front Element Rotation	-	-
Type	Telephoto Zoom	Telephoto Zoom
APS Equivalent	105 - 450mm	160 - 480mm
Diaphragm Blades	9	8
Image Circle	35mm	35mm
Focal Length (mm)	70.00 - 300.00	100.00 - 300.00
Brand	Nikon	Canon
Name	Nikon 70-300mm f/4-5.6D ED AF Nikkor	Canon EF 100-300mm f/4.5-5.6 USM
Weight (g)	516	540
Zoom System	Rotary	Rotary
Length (mm)	117	121
Diameter (mm)	74	73
Focus Details	-	Inner focusing; full-time manual focus and USM
Notes	Included Accessories: HB-15 Hood	-
Lens Construction	13 elements in 9 groups, including 1 ED element	13 elements in 10 groups