Comparison of Nikon 19mm f/4E ED PC Nikkor and Sigma 14mm f/1.8 DG HSM Art

Attribute	Sigma 14mm f/1.8 DG HSM Art ×	Nikon 19mm f/4E ED PC Nikkor ×
Diaphragm Blades Type	rounded	rounded
Notes	Available AF Mounts: Sigma SA, Canon EF, L-Mount, Nikon F, Sony E; Compatible with Mount Converter MC-11	Perspective Control: Horizontal and vertical shift and tilt: Shift: +/- 12mm, Tilt: +/- 7.5 degrees
Aperture (f)	1.80 - 16.00	4.00 - 32.00
Closest Focus (m)	0.27	0.25
Magnification Ratio (x)	0.1	0.18
Type	Wide Prime	Wide Prime, Perspective Correction
Focus Details	Internal focus; HSM with full-time manual override	Manual Focus
APS Equivalent	1.5x: 21mm; 1.6x: 22.4mm	28.5mm
Diaphragm Blades	9	9
Image Circle	35mm	35mm
Focal Length (mm)	14.00	19.00
Brand	Sigma	Nikon
Name	Sigma 14mm f/1.8 DG HSM Art	Nikon 19mm f/4E ED PC Nikkor
Weight (g)	1170	885
Diagonal Angle of View (degree)	114.20	97.00
Length (mm)	126	124
Diameter (mm)	95.4	89
Lens Construction	16 elements in 11 groups, including 4 SLD and 3 FLD elements	17 elements in 13 groups, including 2 aspherical and 3 ED elements