Comparison of Canon EF-S 17-85mm f/4-5.6 IS USM and Nikon 16-85mm f/3.5-5.6G ED VR DX AF-S Nikkor

Attribute	Nikon 16-85mm f/3.5-5.6G ED VR DX AF-S Nikkor ×	Canon EF-S 17-85mm f/4-5.6 IS USM ×
Aperture (f)	3.50 - 36.00	4.00 - 32.00
Filter Size (mm)	67	67
Notes	Image Stabilization. Included Accessories: Flexible Lens Pouch CL-1015, Bayonet Hood HB-39.	EF-S lens mount, exclusively for EOS 20D, Digital Rebel, and newer bodies with APS-C sensors.
Closest Focus (m)	0.38	0.35
Magnification Ratio (x)	0.22	0.2
Diameter (mm)	72	78
Type	Standard Zoom	Standard Zoom
APS Equivalent	24 - 128mm	27 - 136mm
Diaphragm Blades	7	6
Image Circle	APS-C	APS-C
Focal Length (mm)	16.00 - 85.00	17.00 - 85.00
Brand	Nikon	Canon
Name	Nikon 16-85mm f/3.5-5.6G ED VR DX AF-S Nikkor	Canon EF-S 17-85mm f/4-5.6 IS USM
Weight (g)	485	475
Diagonal Angle of View (degree)	18.80 - 83.00	18.40 - 78.50
Lens Construction	17 elements in 11 groups, with 2 ED elements and 3 aspherical lenses	17 elements in 12 groups, including 1 aspherical element
Zoom System	Rotary	Rotary
Length (mm)	85	92
Diaphragm Blades Type	rounded	-
Focus Details	Silent Wave Motor; Internal Focusing with AF/MF switch	Inner focusing; full-time manual focus and USM