Comparison of Sigma 150-500mm f/5-6.3 DG OS HSM APO and Sony FE 100-400mm f/4.5-5.6 GM OSS SEL100400GM

Attribute	Sigma 150-500mm f/5-6.3 DG OS HSM APO ×	Sony FE 100-400mm f/4.5-5.6 GM OSS SEL100400GM ×
Aperture (f)	5.00 - 22.00	4.50 - 40.00
Filter Size (mm)	86	77
Notes	Optically Stabilized; Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony	Optical SteadyShot (5-axis image stabilization becomes available when used with a series bodies that feature built-in image stabilization)
Closest Focus (m)	2.2	0.98
Magnification Ratio (x)	0.19	0.35
Diaphragm Blades Type	-	rounded
Type	Telephoto Zoom	Telephoto Zoom
APS Equivalent	1.5x: 225 - 750mm; 1.6x: 240 - 800mm	150 - 600mm
Diaphragm Blades	9	9
Image Circle	35mm	35mm (Full-frame E-Mount)
Focal Length (mm)	150.00 - 500.00	100.00 - 400.00
Brand	Sigma	Sony
Name	Sigma 150-500mm f/5-6.3 DG OS HSM APO	Sony FE 100-400mm f/4.5-5.6 GM OSS SEL100400GM
Weight (g)	1910	1395
Zoom System	Rotary	Rotary, with zoom torque adjustment
Lens Construction	21 elements in 15 groups, including 3 SLD elements	22 elements in 16 groups, including 2 ED (Extra-low Dispersion) glass elements and one Super ED glass element; Nano AR Coating
Diameter (mm)	94.7	93.9
Length (mm)	252	205
Diagonal Angle of View (degree)	-	6.20 - 24.00
Focus Details	Internal, with HSM	A floating focus mechanism driven by a combination of double linear motor and DDSSM (Direct Drive SSM) drive systems is the first of its kind