Comparison of Fujinon XF 70-300mm f/4-5.6 R LM OIS WR and Sigma 100-400mm f/5-6.3 DG DN OS Contemporary

Attribute	Sigma 100-400mm f/5-6.3 DG DN OS Contemporary ×	Fujinon XF 70-300mm f/4-5.6 R LM OIS WR ×
Notes	Available AF Mounts: Leica L-mount, Sony E-mount; Image Stabilized; Mount with dust- and splash-proof design; Compatible with Mount Converter MC-11	For Fujifilm X-mount; Optical image stabilization (5.5 stops); Dedicated aperture ring; Compatible with 1.4x & 2.0x teleconverters.
Magnification Ratio (x)	0.24	0.33
Filter Size (mm)	67	67
Length (mm)	197.2	132.5
Closest Focus (m)	1.1	0.83
Diagonal Angle of View (degree)	-	5.40 - 22.90
Focus Details	Internal; HSM with full-time manual override	Internal linear-motor drive system
Focal Length (mm)	100.00 - 400.00	70.00 - 300.00
APS Equivalent	1.5x: 150 - 600mm	107 - 457mm
Brand	Sigma	Fujinon
Image Circle	35mm	APS-C (Fujifilm X-mount)
Name	Sigma 100-400mm f/5-6.3 DG DN OS Contemporary	Fujinon XF 70-300mm f/4-5.6 R LM OIS WR
Weight (g)	1135	795
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	5.00 - 29.00	4.00 - 22.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	rounded
Lens Construction	22 elements in 16 groups, including 1FLD and 4 SLD elements	17 elements in 12 groups, including one aspherical element and two extra- low dispersion (ED) elements
Zoom System	Rotary (with Zoom Lock)	Rotary
Diameter (mm)	86	75