Comparison of Canon EF-S 17-85mm f/4-5.6 IS USM and Nikon 16-80mm f/2.8-4E ED VR DX AF-S Nikkor

Attribute	Nikon 16-80mm f/2.8-4E ED VR DX AF-S Nikkor ×	Canon EF-S 17-85mm f/4-5.6 IS USM ×
Aperture (f)	2.80 - 32.00	4.00 - 32.00
Filter Size (mm)	72	67
Notes	Image Stabilization (up to 4 stops correction). Included Accessories: Flexible Lens Pouch, Bayonet Lens Hood.	EF-S lens mount, exclusively for EOS 20D, Digital Rebel, and newer bodies with APS-C sensors.
Closest Focus (m)	0.35	0.35
Magnification Ratio (x)	0.22	0.2
Diameter (mm)	80	78
Type	Standard Zoom	Standard Zoom
APS Equivalent	24 - 120mm	27 - 136mm
Diaphragm Blades	7	6
Image Circle	APS-C	APS-C
Focal Length (mm)	16.00 - 80.00	17.00 - 85.00
Brand	Nikon	Canon
Name	Nikon 16-80mm f/2.8-4E ED VR DX AF-S Nikkor	Canon EF-S 17-85mm f/4-5.6 IS USM
Weight (g)	480	475
Diagonal Angle of View (degree)	20.00 - 83.00	18.40 - 78.50
Lens Construction	17 elements in 13 groups, with 4 ED and 3 aspherical elements; Nano Crystal Coat, Super Integrated Coating, Fluorine Coating	17 elements in 12 groups, including 1 aspherical element
Zoom System	Rotary	Rotary
Length (mm)	85.5	92
Diaphragm Blades Type	rounded	-
Focus Details	Silent Wave Motor; Internal Focusing with AF/MF switch	Inner focusing; full-time manual focus and USM