Comparison of Canon EF 50mm f/1.2L USM and Carl Zeiss 50mm f/2 Makro-Planar T* 2/50

Attribute	Canon EF 50mm f/1.2L USM ×	Carl Zeiss 50mm f/2 Makro-Planar T* 2/50 ×
Diameter (mm)	85.4	72
Aperture (f)	1.20 - 16.00	2.00 - 22.00
Diagonal Angle of View (degree)	46.00	45.50
Magnification Ratio (x)	0.15	0.5
Filter Size (mm)	72	67
Type	Standard Prime	Standard Prime, Macro
Closest Focus (m)	0.45	0.24
APS Equivalent	80mm	1.5x: 77.4mm
Lens Construction	8 elements in 6 groups, including 1 glass molded (GMO) aspherical element	8 elements in 6 groups
Image Circle	35mm	35mm
Focal Length (mm)	50.00	51.60
Brand	Canon	Carl-zeiss
Name	Canon EF 50mm f/1.2L USM	Carl Zeiss 50mm f/2 Makro-Planar T* 2/50
Weight (g)	545	530
Diaphragm Blades	-	9
Length (mm)	65.5	65
Notes	-	Available SLR mounts: Canon EF-Mount (ZE), Nikon F-Mount (ZF, ZF.2), Pentax K-Mount (ZK). Nikon ZF.2 version includes CPU interface for autoexposure
Focus Details	Ultrasonic Motor (USM) with full-time manual focus	Manual focus only