Comparison of Zeiss 21mm f/2.8 Milvus 2.8/21 and Nikon 24mm ƒ/1.4G ED AF-S Nikkor

Attribute	Zeiss 21mm f/2.8 Milvus 2.8/21 ×	Nikon 24mm ƒ/1.4G ED AF-S Nikkor ×
Filter Size (mm)	82	77
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.	HB-51 Lens Hood and CL-1118 Flexible Lens Pouch Included.
Closest Focus (m)	0.22	0.25
Magnification Ratio (x)	0.2	0.18
Type	Wide Prime	Wide Prime
Length (mm)	92.5	88.5
APS Equivalent	1.5x: 31.5mm; 1.6x: 33.6mm	36mm
Diagonal Angle of View (degree)	90.00	84.00
Image Circle	35mm	35mm
Focal Length (mm)	21.00	24.00
Brand	Carl-zeiss	Nikon
Name	Zeiss 21mm f/2.8 Milvus 2.8/21	Nikon 24mm ƒ/1.4G ED AF-S Nikkor
Weight (g)	735	620
Aperture (f)	2.80 - 22.00	1.40 - 16.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	rounded
Lens Construction	16 elements in 13 groups, including 4 Anomalous Partial Dispersion elements; Enhanced Zeiss T* anti-reflective coating	12 elements in 10 groups, including 2 ED and 2 Aspherical elements, Nano Crystal Coat
Diameter (mm)	95.3	83
Focus Details	Manual focus only	AF-S (Silent Wave Motor) AF with with MA / M switch; Rear Focusing