Comparison of Canon EF 100-300mm f/4.5-5.6 USM and Sony SAL-500F80 Reflex 500mm f/8

Attribute	Sony SAL-500F80 Reflex 500mm f/8 ×	Canon EF 100-300mm f/4.5-5.6 USM ×
Magnification Ratio (x)	0.13	0.2
Filter Size (mm)	-	58
Focus Details	Internal; Focus Hold button	Inner focusing; full-time manual focus and USM
Closest Focus (m)	4	1.5
Lens Construction	7 elements in 5 groups	13 elements in 10 groups
Length (mm)	118	121
Focal Length (mm)	500.00	100.00 - 300.00
Zoom System	-	Rotary
Brand	Sony	Canon
Image Circle	35mm	35mm
Name	Sony SAL-500F80 Reflex 500mm f/8	Canon EF 100-300mm f/4.5-5.6 USM
Weight (g)	665	540
Type	Telephoto Prime	Telephoto Zoom
Aperture (f)	8.00	4.50 - 38.00
APS Equivalent	750mm	160 - 480mm
Diagonal Angle of View (degree)	5.00	8.30 - 24.00
Diaphragm Blades	-	8
Notes	Included Accessories: SH0015 Lens Hood	-
Diameter (mm)	89	73