Comparison of Zeiss 18mm f/2.8 Batis 2.8/18 and Nikon 20mm f/2.8D AF Nikkor

Attribute	Zeiss 18mm f/2.8 Batis 2.8/18 ×	Nikon 20mm f/2.8D AF Nikkor ×
Magnification Ratio (x)	0.11	0.12
Filter Size (mm)	77	62
Focus Details	Autofocus with linear motor; Manual focus supported; OLED display of focus distance and depth of field	Close Range Correction (CRC)
Closest Focus (m)	0.25	0.25
Lens Construction	11 elements in 10 groups, including 4 elements that are aspheric on both sides and 7 made from special types of glass; Distagon design	12 elements in 9 groups
Length (mm)	95	69
Focal Length (mm)	18.00	20.00
Diaphragm Blades Type	rounded	-
Brand	Carl-zeiss	Nikon
Image Circle	35mm	35mm
Name	Zeiss 18mm f/2.8 Batis 2.8/18	Nikon 20mm f/2.8D AF Nikkor
Weight (g)	330	269
Type	Wide Prime	Wide Prime
Notes	Available lens mounts: Sony FE-Mount (Full-frame E-Mount); Dust and weather sealed. Includes petal-shaped lens hood, lens caps.	-
APS Equivalent	1.5x: 27mm	30mm
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Diaphragm Blades	9	7
Diagonal Angle of View (degree)	99.00	94.00
Diameter (mm)	100	69