Comparison of Canon RF 50mm f/1.2L USM and Tokina 50mm f/1.4 FF Opera

Attribute	Canon RF 50mm f/1.2L USM ×	Tokina 50mm f/1.4 FF Opera ×
Magnification Ratio (x)	0.19	-
Filter Size (mm)	77	72
Focus Details	Internal; Ring USM with full-time manual focus	Internal via ring-shaped ultrasonic motor; Full-time manual focus override
Closest Focus (m)	0.4	0.4
Lens Construction	15 elements in 9 groups, including ground aspherical, aspherical and UD elements, Air Sphere and Fluorine coatings	15 elements in 9 groups, including 1 aspherical and 3 SD (Super-low Dispersion) elements; ELR (Extremely Low Reflection) Coating
Length (mm)	108	107.5
Focal Length (mm)	50.00	50.00
Diaphragm Blades Type	rounded	-
Brand	Canon	Tokina
Image Circle	35mm (RF-mount)	35mm
Name	Canon RF 50mm f/1.2L USM	Tokina 50mm f/1.4 FF Opera
Weight (g)	950	950
Type	Standard Prime	Standard Prime
Notes	For Canon RF-mount; Weatherproofing	Dust & weather resistant sealing; For Canon EF and Nikon F-mount; Bayonet type lens hood included.
APS Equivalent	80mm	1.5x: 75mm 1.6x: 80mm
Aperture (f)	1.20 - 16.00	1.40 - 16.00
Diaphragm Blades	10	9
Diagonal Angle of View (degree)	46.00	47.40
Diameter (mm)	89.8	80