Comparison of Canon EF 20-35mm f/3.5-4.5 USM and Konica Minolta AF 20-35mm f/3.5-4.5

Attribute	Canon EF 20-35mm f/3.5-4.5 USM ×	Konica Minolta AF 20-35mm f/3.5-4.5 ×
Aperture (f)	3.50 - 27.00	3.50 - 27.00
Magnification Ratio (x)	0.13	0.08
Filter Size (mm)	77	72
Focus Details	Inner focusing; full-time manual focus and USM;	-
Closest Focus (m)	0.34	0.5
Lens Construction	12 elements in 11 groups	13 elements in 11 groups
Length (mm)	68.9	69.5
Focal Length (mm)	20.00 - 35.00	20.00 - 35.00
APS Equivalent	32 - 56mm	30 - 52.5mm
Brand	Canon	Konica-minolta
Image Circle	35mm	35mm
Name	Canon EF 20-35mm f/3.5-4.5 USM	Konica Minolta AF 20-35mm f/3.5-4.5
Weight (g)	340	325
Type	Wide Zoom	Wide Zoom
Diagonal Angle of View (degree)	63.00 - 94.00	63.00 - 94.00
Diaphragm Blades	5	-
Zoom System	Rotary	Rotary
Diameter (mm)	83.5	77.5