Comparison of Zeiss 25mm f/2.4 Loxia 2.4/25 and Tokina 20mm f/2 FE MF FiRIN

Attribute	Tokina 20mm f/2 FE MF FiRIN ×	Zeiss 25mm f/2.4 Loxia 2.4/25 ×
Magnification Ratio (x)	0.097	0.16
Filter Size (mm)	62	52
Focus Details	Internal; Manual focus only	Manual focus only, with 90 degree focus throw, engraved distance and DOF scales
Closest Focus (m)	0.28	0.25
Lens Construction	13 elements in 11 groups, including 2 aspherical and 3 Super-Low Dispersion (SD) elements	10 elements in 8 groups, including 1 aspherical and 2 anomalous partial dispersion elements; Zeiss T* anti-reflective coating
Length (mm)	81.5	75
Focal Length (mm)	20.00	25.00
Diaphragm Blades Type	-	rounded
Brand	Tokina	Carl-zeiss
Image Circle	35mm	35mm
Name	Tokina 20mm f/2 FE MF FiRIN	Zeiss 25mm f/2.4 Loxia 2.4/25
Weight (g)	490	393
Type	Wide Prime	Wide Prime
Notes	For Sony Full-frame E-Mount; Square bayonet type lens hood included.	Sony E-Mount (full frame); Weather-resistant lens mount gasket; Included Accessories: Lens hood, front and rear lens caps, de-click key.
APS Equivalent	1.5x: 30mm	1.5x: 37.8mm
Aperture (f)	2.00 - 22.00	2.40 - 22.00
Diaphragm Blades	9	10
Diagonal Angle of View (degree)	92.70	81.00
Diameter (mm)	69	62