Comparison of Fujinon GF 1.4X TC WR and Sigma 20mm ƒ/1.4 DG HSM Art

Attribute	Sigma 20mm ƒ/1.4 DG HSM Art ×	Fujinon GF 1.4X TC WR ×
Closest Focus (m)	0.28	-
Diaphragm Blades Type	rounded	-
Aperture (f)	1.40 - 16.00	-
Type	Wide Prime	Teleconverter
Diagonal Angle of View (degree)	94.50	-
APS Equivalent	1.5x: 30mm; 1.6x: 32mm	-
Effective Reduction in Aperture	-	1 f-stop
Image Circle	35mm	Medium Format (Fujifilm G-mount)
Brand	Sigma	Fujinon
Magnification Ratio (x)	0.14	1.4
Lens Construction	15 elements in 11 groups, including 1 double-sided aspherical, 2 FLD and 5 SLD elements	7 elements in 3 groups
Notes	Available AF Mounts: Sigma SA, Canon EF, L-Mount, Nikon F, Sony E; Compatible with Sigma's USB Dock and Mount Conversion Service	For Fujifilm G-mount; Weather- and Dust-resistant; Included Accessories: Lens cap, Lens rear cap RLCP-002, Lens pouch.
Diameter (mm)	129.5	82
Focal Length Multiplier	-	1.4X that of the master lens
Focus Details	HSM (Hypersonic Motor) with full-time manual focus override	-
Name	Sigma 20mm ƒ/1.4 DG HSM Art	Fujinon GF 1.4X TC WR
Diaphragm Blades	9	-
Weight (g)	963	400
Focal Length (mm)	20.00	-
Length (mm)	91.4	26.7