Comparison of Sigma 180mm ƒ/2.8 EX DG OS HSM APO Macro and Sony 70-200mm f/2.8 G SSM II SAL70200G2

Attribute	Sigma 180mm ƒ/2.8 EX DG OS HSM APO Macro ×	Sony 70-200mm f/2.8 G SSM II SAL70200G2 ×
Aperture (f)	2.80 - 22.00	2.80 - 32.00
Filter Size (mm)	86	77
Notes	Optical Stabilizer (OS) technology offers shutter speeds approximately four stops slower than would otherwise be possible. AF mounts: Canon, Nikon, S	Faster AF performance and Nano AR coating compared to original version.
Closest Focus (m)	0.47	1.2
Magnification Ratio (x)	1	0.21
Diameter (mm)	95	87
Type	Telephoto Prime Macro	Telephoto Zoom
APS Equivalent	1.5x: 270mm; 1.6x: 288mm	105 - 300mm
Diaphragm Blades	9	9
Image Circle	35mm	35mm (A-mount)
Focal Length (mm)	180.00	70.00 - 200.00
Brand	Sigma	Sony
Name	Sigma 180mm ƒ/2.8 EX DG OS HSM APO Macro	Sony 70-200mm f/2.8 G SSM II SAL70200G2
Weight (g)	1.64	1.34
Diaphragm Blades Type	rounded	rounded
Lens Construction	19 elements in 14 groups, including 3 FLD ("F" Low Dispersion) glass elements	19 elements in 16 groups, including 4 ED elements
Diagonal Angle of View (degree)	13.70	12.50 - 34.00
Length (mm)	203.9	196.5
Zoom System	-	Rotary
Focus Details	Internal with focus limiter; HSM with full-time manual focus override	Internal; SSM (Super Sonic wave Motor) with 2 Direct Manual Focus modes; Focus Hold; Focus Range Limiter