Comparison of Fujinon XF 100-400mm ƒ/4.5-5.6 R LM OIS WR and Sigma 150-500mm f/5-6.3 DG OS HSM APO

Attribute	Sigma 150-500mm f/5-6.3 DG OS HSM APO ×	Fujinon XF 100-400mm ƒ/4.5-5.6 R LM OIS WR ×
Notes	Optically Stabilized; Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony	For Fujifilm X-mount; Optical image stabilization (5.0 stops); Weather-sealed with 13 water and dust resistant seals at 12 points
Magnification Ratio (x)	0.19	0.19
Filter Size (mm)	86	77
Length (mm)	252	210.5
Closest Focus (m)	2.2	1.75
Diagonal Angle of View (degree)	-	4.10 - 16.20
Focus Details	Internal, with HSM	Internal with twin linear AF motors; Range Limiter switch
Focal Length (mm)	150.00 - 500.00	100.00 - 400.00
APS Equivalent	1.5x: 225 - 750mm; 1.6x: 240 - 800mm	152 - 609mm
Brand	Sigma	Fujinon
Image Circle	35mm	APS-C (Fujifilm X-mount)
Name	Sigma 150-500mm f/5-6.3 DG OS HSM APO	Fujinon XF 100-400mm ƒ/4.5-5.6 R LM OIS WR
Weight (g)	1910	1375
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	5.00 - 22.00	4.50 - 22.00
Diaphragm Blades	9	9
Diaphragm Blades Type	-	rounded
Lens Construction	21 elements in 15 groups, including 3 SLD elements	21 elements in 14 groups, including 1 Super ED and 5 ED elements; Super EBC coating; Water-repellent fluorine coating on front element
Zoom System	Rotary	Rotary
Diameter (mm)	94.7	94.8