Comparison of Zeiss 50mm f/2 Loxia 2/50 and Nikon 50mm f/1.2 AIS Nikkor

Attribute	Zeiss 50mm f/2 Loxia 2/50 ×	Nikon 50mm f/1.2 AIS Nikkor ×
Magnification Ratio (x)	0.14	0.13
Filter Size (mm)	52	52
Focus Details	Manual focus only, with large 180 degree focus throw, engraved distance and DOF scales	Manual Focus Only
Closest Focus (m)	0.45	0.5
Lens Construction	6 elements in 4 groups; Zeiss T* anti-reflective coating	7 elements in 6 groups
Length (mm)	59.2	48.3
Focal Length (mm)	50.00	50.00
Diaphragm Blades Type	rounded	-
Brand	Carl-zeiss	Nikon
Image Circle	35mm	35mm (FX)
Name	Zeiss 50mm f/2 Loxia 2/50	Nikon 50mm f/1.2 AIS Nikkor
Weight (g)	320	359
Type	Standard Prime	Standard Prime
Notes	Sony E-Mount (full frame); Weather-resistant lens mount gasket; Included Accessories: Lens hood, front and rear lens caps, de-click key.	Classic Nikon F Mount; AIS / AI / NAI Metering Compatibility; Includes front and rear lens caps.
APS Equivalent	1.5x: 75mm	75mm
Aperture (f)	2.00 - 22.00	1.20 - 16.00
Diaphragm Blades	10	9
Diagonal Angle of View (degree)	46.80	46.00
Diameter (mm)	62.1	68.6