Comparison of Fujinon XF 23mm f/1.4 R and Nikon 20mm ƒ/1.8G ED AF-S Nikkor

Attribute	Nikon 20mm ƒ/1.8G ED AF-S Nikkor ×	Fujinon XF 23mm f/1.4 R ×
Magnification Ratio (x)	0.23	0.1
Filter Size (mm)	77	62
Focus Details	AF-S with internal focusing	Internal AF via high-torque DC coreless motor
Closest Focus (m)	0.2	0.28
Lens Construction	13 elements in 11 groups, including 2 apherical and 2 ED elements; Nano Crystal Coat; Super Integrated Coating	11 elements in 8 groups, including 1 aspherical element
Length (mm)	80.5	63
Focal Length (mm)	20.00	23.00
Diaphragm Blades Type	rounded	rounded
Brand	Nikon	Fujinon
Image Circle	35mm	APS-C (Fujifilm X-mount)
Name	Nikon 20mm ƒ/1.8G ED AF-S Nikkor	Fujinon XF 23mm f/1.4 R
Weight (g)	355	300
Type	Wide Prime	Wide Prime
Notes	-	For Fujifilm X-mount. (Available Oct. 2013)
APS Equivalent	30mm	35mm
Aperture (f)	1.80 - 16.00	1.40 - 16.00
Diaphragm Blades	7	7
Diagonal Angle of View (degree)	94.00	63.40
Diameter (mm)	82.5	72