Comparison of Canon EF 28-105mm f/4-5.6 USM and Canon EF 35-80mm f/4-5.6 III

Attribute	Canon EF 28-105mm f/4-5.6 USM ×	Canon EF 35-80mm f/4-5.6 III ×
Filter Size (mm)	58	52
Aperture (f)	4.00 - 32.00	4.00 - 32.00
Closest Focus (m)	0.48	0.4
Magnification Ratio (x)	0.19	0.23
Type	Standard Zoom	Standard Zoom
Focus Details	Inner focusing; full-time manual focus and USM	-
APS Equivalent	45 - 168mm	56 - 128mm
Diameter (mm)	67	65
Image Circle	35mm	35mm
Focal Length (mm)	28.00 - 105.00	35.00 - 80.00
Brand	Canon	Canon
Name	Canon EF 28-105mm f/4-5.6 USM	Canon EF 35-80mm f/4-5.6 III
Weight (g)	210	175
Diagonal Angle of View (degree)	23.30 - 75.00	30.00 - 63.00
Diaphragm Blades	6	5
Zoom System	Rotary	Rotary
Length (mm)	68	63.5
Front Element Rotation	-	-
Lens Construction	10 elements in 9 groups, including 1 aspherical element	8 elements in 8 groups, including 1 aspherical element