Comparison of Nikon 20mm ƒ/1.8G ED AF-S Nikkor and Sony FE 20mm f/1.8 G

Attribute	Nikon 20mm ƒ/1.8G ED AF-S Nikkor ×	Sony FE 20mm f/1.8 G ×
Filter Size (mm)	77	67
Aperture (f)	1.80 - 16.00	1.80 - 22.00
Closest Focus (m)	0.2	0.19
Magnification Ratio (x)	0.23	0.2
Type	Wide Prime	Ultra-wide angle prime
Focus Details	AF-S with internal focusing	Internal focus with wo XD (eXtreme Dynamic) Linear Motors; AF/MF switch; Customizable Focus-hold button
APS Equivalent	30mm	30mm
Diameter (mm)	82.5	73.5
Image Circle	35mm	35mm
Focal Length (mm)	20.00	20.00
Brand	Nikon	Sony
Name	Nikon 20mm ƒ/1.8G ED AF-S Nikkor	Sony FE 20mm f/1.8 G
Weight (g)	355	373
Diaphragm Blades Type	rounded	rounded
Diaphragm Blades	7	9
Diagonal Angle of View (degree)	94.00	94.00
Length (mm)	80.5	84.7
Notes	-	Dust- and moisture-resistant construction; manual aperture ring with de-click toggle switch
Lens Construction	13 elements in 11 groups, including 2 apherical and 2 ED elements; Nano Crystal Coat; Super Integrated Coating	14 elements in 12 groups, including 2 AA (advanced aspherical) elements and three ED (Extra-low Dispersion) glass elements; Nano AR Coating