Comparison of Canon EF 500mm f/4L IS USM and Sony SAL-300F28G 300mm f/2.8 G

Attribute	Canon EF 500mm f/4L IS USM ×	Sony SAL-300F28G 300mm f/2.8 G ×
Aperture (f)	4.00 - 32.00	2.80 - 32.00
Filter Size (mm)	52	42
Notes	Image Stabilization	Included Accessories: SH0012 Lens Hood
Closest Focus (m)	4.5	2
Magnification Ratio (x)	0.12	0.18
Type	Telephoto Prime	Telephoto Prime
Focus Details	Inner focusing; full-time manual focus and USM	Internal; SSM (Super Sonic wave Motor) with Direct Manual Focus, Focus Hold button, Focus Range selector, Prefocus function
APS Equivalent	800mm	450mm
Diaphragm Blades	8	9
Image Circle	35mm	35mm
Focal Length (mm)	500.00	300.00
Brand	Canon	Sony
Name	Canon EF 500mm f/4L IS USM	Sony SAL-300F28G 300mm f/2.8 G
Weight (g)	3870	2310
Diagonal Angle of View (degree)	5.00	8.20
Length (mm)	387	242.5
Diameter (mm)	146	122
Lens Construction	17 elements in 13 groups, including 1 flourite and 2 UD elements	13 elements in 12 groups, including 3 ED elements