Comparison of Sigma APO 70-200mm f/2.8 EX DG HSM and Sony SAL-70200G 70-200mm f/2.8 G

Attribute	Sony SAL-70200G 70-200mm f/2.8 G ×	Sigma APO 70-200mm f/2.8 EX DG HSM ×
Filter Size (mm)	77	77
Notes	Included Accessories: SH0010 Lens Hood	Available AF Mounts: [HSM version]: Sigma, Canon, Nikon; [w/o HSM]: Minolta, Pentax
Closest Focus (m)	1.2	1.8
Magnification Ratio (x)	0.21	0.13
Type	Telephoto Zoom	Telephoto Zoom
Length (mm)	196.5	184
APS Equivalent	105 - 300mm	1.5x: 105 - 300mm; 1.6x: 112 - 320mm
Zoom System	Rotary	Rotary with lock; Internal
Image Circle	35mm	35mm
Focal Length (mm)	70.00 - 200.00	70.00 - 200.00
Brand	Sony	Sigma
Name	Sony SAL-70200G 70-200mm f/2.8 G	Sigma APO 70-200mm f/2.8 EX DG HSM
Weight (g)	1340	1270
Aperture (f)	2.80 - 32.00	2.80 - 32.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	12.50 - 34.00	12.30 - 34.30
Lens Construction	19 elements in 16 groups, including 4 ED elements	17 elements in 14 groups, including 4 SLD elements
Diameter (mm)	87	86.2
Focus Details	Internal; SSM (Super Sonic wave Motor) with 2 Direct Manual Focus modes; Focus Hold; Focus Range Limiter	Internal; HSM with full-time manual override