Comparison of Sigma 120-300mm f/2.8 EX DG OS HSM APO and Sigma 150-600mm f/5-6.3 DG HSM OS Sports

Attribute	Sigma 150-600mm f/5-6.3 DG HSM OS Sports ×	Sigma 120-300mm f/2.8 EX DG OS HSM APO ×
Diaphragm Blades Type	rounded	rounded
Notes	Updated Optical Stabilizer (OS); Dust and splash-proof construction, as well as new water and oil-repellent coating on the front and rear lenses	Image Stabilized (up to 4 stops). Available AF Mounts: Sigma, Canon, Nikon. Included Accessories: Bayonet type Hood (LH1128-01), Tripod socket (TS-31
Aperture (f)	5.00 - 22.00	2.80 - 22.00
Magnification Ratio (x)	0.2	0.12
Filter Size (mm)	105	105
Diameter (mm)	121	114.4
Type	Telephoto Zoom	Telephoto Zoom
Diaphragm Blades	9	9
Lens Construction	24 elements in 16 groups, including 2 FLD and 3 SLD glass elements	23 elements in 18 groups, including 1 SLD and 2 FLD elements
Focal Length (mm)	150.00 - 600.00	120.00 - 300.00
APS Equivalent	1.5x: 225 - 900mm; 1.6x: 240 - 960mm	1.5x: 180 - 450mm; 1.6x: 192 - 480mm
Image Circle	35mm	35mm
Brand	Sigma	Sigma
Name	Sigma 150-600mm f/5-6.3 DG HSM OS Sports	Sigma 120-300mm f/2.8 EX DG OS HSM APO
Diagonal Angle of View (degree)	-	8.20 - 20.40
Focus Details	HSM with manual override (MO) switch	Internal; HSM with full-time manual override
Zoom System	Rotary (with zoom lock switch)	Rotary; Internal
Length (mm)	290.2	289.2
Weight (g)	2.86	-
Closest Focus (m)	2.6	1.5