Comparison of Fujinon GF 23mm f/4 R LM WR and Laowa 17mm f/4 GFX Zero-D

Attribute	Fujinon GF 23mm f/4 R LM WR ×	Laowa 17mm f/4 GFX Zero-D ×
Filter Size (mm)	82	86
Notes	For Fujifilm G-mount; Weather, dust and freeze resistant; Lens caps, hood and pouch included.	For Fujifilm G-mount.
Closest Focus (m)	0.38	0.2
Magnification Ratio (x)	0.09	0.28
Focus Details	AF via a linear motor	Internal; Manual focus only
Length (mm)	103	124.5
Focal Length (mm)	23.00	17.00
Diagonal Angle of View (degree)	99.90	113.00
Brand	Fujinon	Laowa
Image Circle	Medium Format (Fujifilm G-mount)	Medium Format (Fujifilm G-mount)
Name	Fujinon GF 23mm f/4 R LM WR	Laowa 17mm f/4 GFX Zero-D
Weight (g)	845	829
Type	Wide Prime	Wide Prime
Aperture (f)	4.00 - 32.00	4.00 - 32.00
Diaphragm Blades	9	5
Diaphragm Blades Type	rounded	-
Lens Construction	15 elements in 12 groups, including 2 aspherical, 1 Super ED, and 3 ED (extra low dispersion) elements; Nano GI coating	21 elements in 14 groups, including 2 aspherical and 3 ED elements
Diameter (mm)	89.8	88
35mm Equivalent	18mm	13.5mm