Comparison of Zeiss 25mm f/1.4 Milvus 1.4/25 and Tokina 50mm f/1.4 FF Opera

Attribute	Zeiss 25mm f/1.4 Milvus 1.4/25 ×	Tokina 50mm f/1.4 FF Opera ×
Magnification Ratio (x)	0.22	-
Filter Size (mm)	82	72
Focus Details	Manual focus only	Internal via ring-shaped ultrasonic motor; Full-time manual focus override
Closest Focus (m)	0.25	0.4
Lens Construction	15 elements in 13 groups, including 2 aspherical and 7 anomalous partial dispersion elements; Enhanced Zeiss T* anti-reflective coating	15 elements in 9 groups, including 1 aspherical and 3 SD (Super-low Dispersion) elements; ELR (Extremely Low Reflection) Coating
Length (mm)	123.3	107.5
Focal Length (mm)	25.00	50.00
Diaphragm Blades Type	rounded	-
Brand	Carl-zeiss	Tokina
Image Circle	35mm	35mm
Name	Zeiss 25mm f/1.4 Milvus 1.4/25	Tokina 50mm f/1.4 FF Opera
Weight (g)	1171	950
Type	Wide Prime	Standard Prime
Notes	Available lens mounts: Canon EF (ZE), Nikon F (ZF.2); Weather-sealed construction to protect against dust and moisture; Hood and lens caps included.	Dust & weather resistant sealing; For Canon EF and Nikon F-mount; Bayonet type lens hood included.
APS Equivalent	1.5x: 37.5mm; 1.6x: 40mm	1.5x: 75mm 1.6x: 80mm
Aperture (f)	1.40 - 16.00	1.40 - 16.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	81.20	47.40
Diameter (mm)	95.2	80