Comparison of Fujinon GF 23mm f/4 R LM WR and Sigma 24mm f/1.4 DG HSM Art

Attribute	Fujinon GF 23mm f/4 R LM WR ×	Sigma 24mm f/1.4 DG HSM Art ×
Diaphragm Blades Type	rounded	rounded
Notes	For Fujifilm G-mount; Weather, dust and freeze resistant; Lens caps, hood and pouch included.	Available AF Mounts: Canon EF, L-Mount, Nikon F, Sigma SA and Sony E; Compatible with Sigma's USB Dock and Mount Conversion Service
Aperture (f)	4.00 - 32.00	1.40 - 16.00
Magnification Ratio (x)	0.09	0.19
Filter Size (mm)	82	77
35mm Equivalent	18mm	-
Type	Wide Prime	Wide Prime
Diaphragm Blades	9	9
Lens Construction	15 elements in 12 groups, including 2 aspherical, 1 Super ED, and 3 ED (extra low dispersion) elements; Nano GI coating	15 elements in 11 groups, including 3 FLD, 4 SLD and 2 aspherical elements
Image Circle	Medium Format (Fujifilm G-mount)	35mm
Focal Length (mm)	23.00	24.00
Brand	Fujinon	Sigma
Name	Fujinon GF 23mm f/4 R LM WR	Sigma 24mm f/1.4 DG HSM Art
Weight (g)	845	665
Diagonal Angle of View (degree)	99.90	84.10
Focus Details	AF via a linear motor	HSM (Hypersonic Motor) with full-time manual focus override
Diameter (mm)	89.8	85
Length (mm)	103	90.2
APS Equivalent	-	1.5x: 36mm; 1.6x: 38.4mm
Closest Focus (m)	0.38	0.25