Comparison of Sigma 60-600mm f/4.5-6.3 DG OS HSM Sports and Sigma 120-400mm f/4.5-5.6 DG OS HSM APO

Attribute	Sigma 60-600mm f/4.5-6.3 DG OS HSM Sports ×	Sigma 120-400mm f/4.5-5.6 DG OS HSM APO ×
Notes	Optical Image Stabilization (4 stops); Available AF Mounts: Sigma SA, Canon EF, Nikon F	Optically Stabilized; Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony
Magnification Ratio (x)	0.3	0.24
Filter Size (mm)	105	77
Length (mm)	268.9	203.5
Closest Focus (m)	2.6	1.5
Diagonal Angle of View (degree)	12.30 - 34.30	-
Focus Details	Internal; HSM with full-time manual override; Focus mode and limit switches	Internal, with HSM
Focal Length (mm)	60.00 - 600.00	120.00 - 400.00
APS Equivalent	1.5x: 90 - 900mm; 1.6x: 96 - 960mm	1.5x: 180 - 600mm; 1.6x: 192 - 640mm
Brand	Sigma	Sigma
Image Circle	35mm	35mm
Name	Sigma 60-600mm f/4.5-6.3 DG OS HSM Sports	Sigma 120-400mm f/4.5-5.6 DG OS HSM APO
Weight (g)	2700	1750
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	4.50 - 32.00	4.50 - 22.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	-
Lens Construction	25 elements in 19 groups, including 1 SLD and 3 FLD elements	21 elements in 15 groups, including 3 SLD elements
Zoom System	Rotary, with zoom lock switch	Rotary
Diameter (mm)	120.4	92.5