Comparison of Canon EF 24mm f/1.4L USM and Zeiss 18mm f/2.8 Milvus 2.8/18

Attribute	Zeiss 18mm f/2.8 Milvus 2.8/18 ×	Canon EF 24mm f/1.4L USM ×
Filter Size (mm)	77	77
Aperture (f)	2.80 - 22.00	1.40 - 22.00
Closest Focus (m)	0.25	0.25
Magnification Ratio (x)	0.14	0.16
Type	Wide Prime	Wide Prime
Focus Details	Manual focus only	Inner focusing; full-time manual focus and USM
APS Equivalent	1.5x: 27mm; 1.6x: 28.8mm	38mm
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.	-
Image Circle	35mm	35mm
Focal Length (mm)	18.00	24.00
Brand	Carl-zeiss	Canon
Name	Zeiss 18mm f/2.8 Milvus 2.8/18	Canon EF 24mm f/1.4L USM
Weight (g)	675	550
Diagonal Angle of View (degree)	99.90	84.00
Diaphragm Blades	9	7
Diameter (mm)	102.3	83
Length (mm)	90	77
Diaphragm Blades Type	rounded	-
Lens Construction	14 elements in 12 groups, including 4 Anomalous Partial Dispersion and 2 aspherical elements; Enhanced Zeiss T* anti-reflective coating	11 elements in 9 groups, including 1 aspherical and 1 UD element