Comparison of Zeiss 25mm f/1.4 Milvus 1.4/25 and Sigma 14mm f/1.8 DG HSM Art

Attribute	Zeiss 25mm f/1.4 Milvus 1.4/25 ×	Sigma 14mm f/1.8 DG HSM Art ×
Magnification Ratio (x)	0.22	0.1
Filter Size (mm)	82	-
Focus Details	Manual focus only	Internal focus; HSM with full-time manual override
Closest Focus (m)	0.25	0.27
Lens Construction	15 elements in 13 groups, including 2 aspherical and 7 anomalous partial dispersion elements; Enhanced Zeiss T* anti-reflective coating	16 elements in 11 groups, including 4 SLD and 3 FLD elements
Length (mm)	123.3	126
Focal Length (mm)	25.00	14.00
Diaphragm Blades Type	rounded	rounded
Brand	Carl-zeiss	Sigma
Image Circle	35mm	35mm
Name	Zeiss 25mm f/1.4 Milvus 1.4/25	Sigma 14mm f/1.8 DG HSM Art
Weight (g)	1171	1170
Type	Wide Prime	Wide 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.	Available AF Mounts: Sigma SA, Canon EF, L-Mount, Nikon F, Sony E; Compatible with Mount Converter MC-11
APS Equivalent	1.5x: 37.5mm; 1.6x: 40mm	1.5x: 21mm; 1.6x: 22.4mm
Aperture (f)	1.40 - 16.00	1.80 - 16.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	81.20	114.20
Diameter (mm)	95.2	95.4