Comparison of Zeiss 35mm f/1.4 Milvus 1.4/35 and Sigma 40mm f/1.4 DG HSM Art

Attribute	Sigma 40mm f/1.4 DG HSM Art ×	Zeiss 35mm f/1.4 Milvus 1.4/35 ×
Filter Size (mm)	82	72
Notes	Available AF Mounts: Canon EF, Nikon F, Sigma SA and Sony E; Compatible with Sigma's USB Dock and Mount Conversion Service	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	0.3
Magnification Ratio (x)	0.15	0.22
Type	Wide Prime	Wide Prime
Length (mm)	131	126
APS Equivalent	1.5x: 60mm; 1.6x: 64mm	1.5x: 52.5mm; 1.6x: 56mm
Diagonal Angle of View (degree)	56.80	65.00
Image Circle	35mm	35mm
Focal Length (mm)	40.00	35.00
Brand	Sigma	Carl-zeiss
Name	Sigma 40mm f/1.4 DG HSM Art	Zeiss 35mm f/1.4 Milvus 1.4/35
Weight (g)	1200	1131
Aperture (f)	1.40 - 16.00	1.40 - 16.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	rounded
Lens Construction	16 elements in 12 groups, including 1 aspherical, 3 FLD and 3 SLD elements	14 elements in 11 groups, including 1 aspherical and 5 anomalous partial dispersion elements; Enhanced Zeiss T* anti-reflective coating
Diameter (mm)	87.8	85
Focus Details	HSM (Hypersonic Motor) with full-time manual focus override	Manual focus only