Comparison of Sony FE 24mm f/1.4 GM SEL24F14GM and Tokina 20mm f/2 FE AF FiRIN

Attribute	Sony FE 24mm f/1.4 GM SEL24F14GM ×	Tokina 20mm f/2 FE AF FiRIN ×
Magnification Ratio (x)	0.17	0.097
Filter Size (mm)	67	62
Focus Details	Internal with DDSSM (Direct Drive Supersonic Motor); AF/MF switch; customizable focus hold button	Internal AF with Ring-Type Ultrasonic Motor; Full-Time Manual Focus Override
Closest Focus (m)	0.24	0.28
Lens Construction	13 elements in 10 groups, including 3 ED (Extra-low Dispersion) and 2 XA (eXtreme Aspherical) elements; Nano AR Coating	13 elements in 11 groups, including 2 aspherical and 3 Super-Low Dispersion (SD) elements
Length (mm)	92.4	81.5
Focal Length (mm)	24.00	20.00
Diaphragm Blades Type	rounded	-
Brand	Sony	Tokina
Image Circle	35mm (Full-frame E-Mount)	35mm
Name	Sony FE 24mm f/1.4 GM SEL24F14GM	Tokina 20mm f/2 FE AF FiRIN
Weight (g)	445	464
Type	Wide Prime	Wide Prime
Notes	Dust and moisture resistant; Included Accessories: ALC-SH15 Hood, Caps and Case.	For Sony Full-frame E-Mount; Bayonet type lens hood included.
APS Equivalent	36mm	1.5x: 30mm
Aperture (f)	1.40 - 16.00	2.00 - 22.00
Diaphragm Blades	11	9
Diagonal Angle of View (degree)	84.00	92.70
Diameter (mm)	75.4	73.4