Comparison of Canon EF 90-300mm f/4.5-5.6 and Canon EF 90-300mm f/4.5-5.6 USM

Attribute	Canon EF 90-300mm f/4.5-5.6 ×	Canon EF 90-300mm f/4.5-5.6 USM ×
Filter Size (mm)	58	58
Notes	Accessories: ET-60 lens hood, LP1019 soft case.	Accessories: ET-60 lens hood, LP1019 soft case.
Closest Focus (m)	1.5	1.5
Magnification Ratio (x)	0.25	0.25
Type	Telephoto Zoom	Telephoto Zoom
Length (mm)	114.7	114.7
APS Equivalent	144 - 480mm	144 - 480mm
Zoom System	Rotary	Rotary
Image Circle	35mm	35mm
Focal Length (mm)	90.00 - 300.00	90.00 - 300.00
Brand	Canon	Canon
Name	Canon EF 90-300mm f/4.5-5.6	Canon EF 90-300mm f/4.5-5.6 USM
Weight (g)	420	420
Aperture (f)	4.50 - 45.00	4.50 - 45.00
Diaphragm Blades	7	7
Diagonal Angle of View (degree)	8.30 - 27.00	8.30 - 27.00
Lens Construction	13 elements in 9 groups	13 elements in 9 groups
Diameter (mm)	71	71
Focus Details	Internal; Micro motor	Internal; USM (ultrasonic motor)