Comparison of Zeiss 50mm f/2 Macro Milvus 2/50M and Sigma 50mm ƒ/1.4 DG HSM Art

Attribute	Sigma 50mm ƒ/1.4 DG HSM Art ×	Zeiss 50mm f/2 Macro Milvus 2/50M ×
Filter Size (mm)	77	67
Notes	Supported AF Mounts: Canon EF, Nikon F, L-Mount, Sigma SA, Sony A, Sony E. Included Accessories: front and rear lens caps, soft case, lens hood (LH83	Available lens mounts: Canon EF (ZE), Nikon F (ZF.2); Weather-sealed construction to protect against dust and moisture; Hood and lens caps included.
Closest Focus (m)	0.4	0.24
Magnification Ratio (x)	0.18	0.5
Type	Standard Prime	Standard Prime Macro
Length (mm)	99.9	72.8
APS Equivalent	1.5x: 75mm; 1.6x: 80mm	1.5x: 75mm; 1.6x: 80mm
Diagonal Angle of View (degree)	46.80	45.00
Image Circle	35mm	35mm
Focal Length (mm)	50.00	50.00
Brand	Sigma	Carl-zeiss
Name	Sigma 50mm ƒ/1.4 DG HSM Art	Zeiss 50mm f/2 Macro Milvus 2/50M
Weight (g)	810	660
Aperture (f)	1.40 - 16.00	2.00 - 22.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	rounded
Lens Construction	13 elements in 8 groups, including 1 aspherical and 3 SLD elements	8 elements in 6 groups; Enhanced Zeiss T* anti-reflective coating
Diameter (mm)	85.4	80.7
Focus Details	HSM, with full-time manual focus override	Manual focus only