Comparison of Nikon 24mm ƒ/1.4G ED AF-S Nikkor and Sigma 24mm f/1.4 DG HSM Art

Attribute	Sigma 24mm f/1.4 DG HSM Art ×	Nikon 24mm ƒ/1.4G ED AF-S Nikkor ×
Filter Size (mm)	77	77
Notes	Available AF Mounts: Canon EF, L-Mount, Nikon F, Sigma SA and Sony E; Compatible with Sigma's USB Dock and Mount Conversion Service	HB-51 Lens Hood and CL-1118 Flexible Lens Pouch Included.
Closest Focus (m)	0.25	0.25
Magnification Ratio (x)	0.19	0.18
Type	Wide Prime	Wide Prime
Length (mm)	90.2	88.5
APS Equivalent	1.5x: 36mm; 1.6x: 38.4mm	36mm
Diagonal Angle of View (degree)	84.10	84.00
Image Circle	35mm	35mm
Focal Length (mm)	24.00	24.00
Brand	Sigma	Nikon
Name	Sigma 24mm f/1.4 DG HSM Art	Nikon 24mm ƒ/1.4G ED AF-S Nikkor
Weight (g)	665	620
Aperture (f)	1.40 - 16.00	1.40 - 16.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	rounded
Lens Construction	15 elements in 11 groups, including 3 FLD, 4 SLD and 2 aspherical elements	12 elements in 10 groups, including 2 ED and 2 Aspherical elements, Nano Crystal Coat
Diameter (mm)	85	83
Focus Details	HSM (Hypersonic Motor) with full-time manual focus override	AF-S (Silent Wave Motor) AF with with MA / M switch; Rear Focusing