Comparison of Canon EF 24-70mm f/2.8L USM and Nikon 28-70mm f/2.8 ED-IF AF-S Nikkor

Attribute	Nikon 28-70mm f/2.8 ED-IF AF-S Nikkor ×	Canon EF 24-70mm f/2.8L USM ×
Filter Size (mm)	77	77
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Closest Focus (m)	0.5	0.38
Magnification Ratio (x)	0.18	0.16
Type	Standard Zoom	Standard Zoom
Focus Details	Internal; SWM with M/A switch for fast transitions between AF and MF	Full-time manual focus and USM
APS Equivalent	42 - 105mm	38 - 112mm
Diameter (mm)	89	83.2
Image Circle	35mm	35mm
Focal Length (mm)	28.00 - 70.00	24.00 - 70.00
Brand	Nikon	Canon
Name	Nikon 28-70mm f/2.8 ED-IF AF-S Nikkor	Canon EF 24-70mm f/2.8L USM
Weight (g)	887	950
Diagonal Angle of View (degree)	34.30 - 74.00	29.00 - 74.00
Diaphragm Blades	9	8
Zoom System	Rotary	Rotary
Length (mm)	124	123.5
Notes	Included Accessories: CL-74 case, HB-19 Hood	-
Lens Construction	15 elements in 11 groups, including 1 aspherical and 2 ED elements	16 elements in 13 groups, including 3 asperical elements and 1 UD element