Comparison of Zeiss 35mm f/2 Loxia 2/35 and Sigma 35mm f/2 DG DN Contemporary

Attribute	Sigma 35mm f/2 DG DN Contemporary ×	Zeiss 35mm f/2 Loxia 2/35 ×
Filter Size (mm)	58	52
Notes	Available AF Mounts: L-Mount, Sony E-Mount	Sony E-Mount (full frame); Weather-resistant lens mount gasket; Included Accessories: Lens hood, front and rear lens caps, de-click key.
Closest Focus (m)	0.27	0.3
Magnification Ratio (x)	0.18	0.17
Type	Wide Prime	Wide Prime
Length (mm)	65.4	59.2
APS Equivalent	1.5x: 52.5mm	1.5x: 52.5mm
Diagonal Angle of View (degree)	63.40	63.00
Image Circle	35mm	35mm
Focal Length (mm)	35.00	35.00
Brand	Sigma	Carl-zeiss
Name	Sigma 35mm f/2 DG DN Contemporary	Zeiss 35mm f/2 Loxia 2/35
Weight (g)	325	340
Aperture (f)	2.00 - 22.00	2.00 - 22.00
Diaphragm Blades	9	10
Diaphragm Blades Type	rounded	rounded
Lens Construction	10 elements in 9 groups, with 1 SLD glass and 3 aspherical lenses	9 elements in 6 groups, front element made of special glass with anomalous partial dispersion; Zeiss T* anti-reflective coating
Diameter (mm)	70	62.1
Focus Details	Smooth, quiet and high-speed AF via stepping motor	Manual focus only, with large 180 degree focus throw, engraved distance and DOF scales