Comparison of Canon EF 24mm f/1.4L USM and Carl Zeiss 25mm f/2.8 Distagon T* 2.8/25

Attribute	Canon EF 24mm f/1.4L USM ×	Carl Zeiss 25mm f/2.8 Distagon T* 2.8/25 ×
Diagonal Angle of View (degree)	84.00	80.20
Filter Size (mm)	77	58
Aperture (f)	1.40 - 22.00	2.80 - 22.00
Closest Focus (m)	0.25	0.17
Magnification Ratio (x)	0.16	-
Type	Wide Prime	Wide Prime
Focus Details	Inner focusing; full-time manual focus and USM	Manual focus only
APS Equivalent	38mm	1.5x: 37.5mm
Diaphragm Blades	7	9
Image Circle	35mm	35mm
Focal Length (mm)	24.00	25.00
Brand	Canon	Carl-zeiss
Name	Canon EF 24mm f/1.4L USM	Carl Zeiss 25mm f/2.8 Distagon T* 2.8/25
Weight (g)	550	480
Diameter (mm)	83	65
Length (mm)	77	66
Notes	-	Available SLR mounts: Nikon F-Mount (ZF, ZF.2), Pentax K-Mount (ZK), M42 Screw-Mount (ZS). Nikon ZF.2 version includes CPU interface for autoexposure
Lens Construction	11 elements in 9 groups, including 1 aspherical and 1 UD element	10 elements in 8 groups