Comparison of Fujinon XF 50-140mm ƒ/2.8 R LM OIS WR and Sigma APO Macro 180mm f/3.5 EX DG IF HSM

Attribute	Sigma APO Macro 180mm f/3.5 EX DG IF HSM ×	Fujinon XF 50-140mm ƒ/2.8 R LM OIS WR ×
Notes	Available AF Mounts: [HSM version]: Sigma, Canon, Nikon; [w/o HSM]: Minolta, Pentax	For Fujifilm X-mount; Improved optical image stabilization; Weather sealed; Nano-GI (Gradient Index) coating
Magnification Ratio (x)	1	0.12
Filter Size (mm)	72	72
Length (mm)	182	175.9
Closest Focus (m)	0.46	1
Diagonal Angle of View (degree)	13.70	11.60 - 31.70
Focus Details	Internal with focus limiter; HSM with full-time manual focus override	AF via Triple Linear Motor for high-speed, quiet AF
Focal Length (mm)	180.00	50.00 - 140.00
APS Equivalent	1.5x: 270mm; 1.6x: 288mm	76 - 213mm
Brand	Sigma	Fujinon
Image Circle	35mm	APS-C (Fujifilm X-mount)
Name	Sigma APO Macro 180mm f/3.5 EX DG IF HSM	Fujinon XF 50-140mm ƒ/2.8 R LM OIS WR
Weight (g)	965	995
Type	Telephoto Prime Macro	Telephoto Zoom
Aperture (f)	3.50 - 32.00	2.80 - 22.00
Diaphragm Blades	9	7
Diaphragm Blades Type	-	rounded
Lens Construction	13 elements in 10 groups, including 2 SLD elements	23 elements in 16 groups, including 5 extra low dispersion (ED) and 1 super extra low dispersion (SLD) elements; Nano-GI coating
Zoom System	-	Rotary
Diameter (mm)	80	82.9