Comparison of Canon EF 300mm ƒ/2.8L IS II USM and Sony 300mm f/2.8 G SSM II SAL300F28G2

Attribute	Canon EF 300mm ƒ/2.8L IS II USM ×	Sony 300mm f/2.8 G SSM II SAL300F28G2 ×
Filter Size (mm)	52	42
Notes	Image Stabilization (4-stops); Included Accessories: lens hood and case	Thanks to a new LSI drive circuit, the SAL-300F28GII offers faster, more accurate autofocusing with four times faster object tracking performance tha
Closest Focus (m)	2	2
Magnification Ratio (x)	0.18	0.18
Type	Telephoto Prime	Telephoto Prime
Length (mm)	248	242.5
APS Equivalent	480mm	450mm
Diagonal Angle of View (degree)	8.30	8.20
Image Circle	35mm	35mm
Focal Length (mm)	300.00	300.00
Brand	Canon	Sony
Name	Canon EF 300mm ƒ/2.8L IS II USM	Sony 300mm f/2.8 G SSM II SAL300F28G2
Weight (g)	2400	2340
Aperture (f)	2.80 - 32.00	2.80 - 32.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	rounded
Lens Construction	16 elements in 12 groups, including 2 fluorite elements	13 elements in 12 groups, including 3 ED elements
Diameter (mm)	128	122
Focus Details	Inner focusing; Ultra-sonic Motor (USM), AF/PF/MF switch, Focus Preset, Range Limiter	Internal; SSM (Super Sonic wave Motor) with Direct Manual Focus (2 modes), Focus Hold button, Focus Range selector, Prefocus function