Comparison of Sony 300mm f/2.8 G SSM II SAL300F28G2 and Tokina 300mm f/2.8 AT-X 300 AF PRO

Attribute	Sony 300mm f/2.8 G SSM II SAL300F28G2 ×	Tokina 300mm f/2.8 AT-X 300 AF PRO ×
Magnification Ratio (x)	0.18	-
Filter Size (mm)	42	112
Focus Details	Internal; SSM (Super Sonic wave Motor) with Direct Manual Focus (2 modes), Focus Hold button, Focus Range selector, Prefocus function	Internal
Closest Focus (m)	2	2.4
Lens Construction	13 elements in 12 groups, including 3 ED elements	9 elements in 7 groups, including 2 SD elements
Length (mm)	242.5	187
Focal Length (mm)	300.00	300.00
Diaphragm Blades Type	rounded	-
Brand	Sony	Tokina
Image Circle	35mm	35mm
Name	Sony 300mm f/2.8 G SSM II SAL300F28G2	Tokina 300mm f/2.8 AT-X 300 AF PRO
Weight (g)	2340	2300
Type	Telephoto Prime	Telephoto Prime
Notes	Thanks to a new LSI drive circuit, the SAL-300F28GII offers faster, more accurate autofocusing with four times faster object tracking performance tha	Available AF Mounts: Canon, Minolta, Nikon; Included Accessories: Lens Hood, Fitted Soft Case
APS Equivalent	450mm	1.5x: 450mm; 1.6x: 480mm
Aperture (f)	2.80 - 32.00	2.80 - 32.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	8.20	8.20
Diameter (mm)	122	117