Comparison of Nikon 35mm f/1.8G ED AF-S Nikkor and Sigma 30mm f/1.4 DC DN Contemporary

Attribute	Nikon 35mm f/1.8G ED AF-S Nikkor ×	Sigma 30mm f/1.4 DC DN Contemporary ×
Filter Size (mm)	58	52
Notes	Included Accessories: Bayonet hood HB-70, soft lens case CL-0915, front and rear lens caps	Available AF mounts: Micro Four Thirds, Sony E-Mount. Included Accessories: Lens caps, lens hood. Compatible with Sigma USB Dock.
Closest Focus (m)	0.25	0.3
Magnification Ratio (x)	0.16	0.14
Type	Wide Prime	Standard Prime
Length (mm)	71.5	73.4
APS Equivalent	52.5mm	1.5x: 45mm; 1.6x: 48mm
Diagonal Angle of View (degree)	63.00	50.70
Image Circle	35mm	Image Circle
Focal Length (mm)	35.00	30.00
Brand	Nikon	Sigma
Name	Nikon 35mm f/1.8G ED AF-S Nikkor	Sigma 30mm f/1.4 DC DN Contemporary
Weight (g)	305	264
Aperture (f)	1.80 - 16.00	1.40 - 16.00
Diaphragm Blades	7	9
Diaphragm Blades Type	rounded	rounded
Lens Construction	11 elements in 8 groups, including 1 ED and 1 aspherical element	9 elements in 7 groups, including 1 aspherical element and 1 double-sided aspherical element
Diameter (mm)	72	66
Focus Details	Rear-focusing; Silent Wave Motor (SWM); Auto/Manual	Autofocus via stepper motor designed to support video