Comparison of Sigma 19mm f/2.8 DN Art and Sigma 30mm ƒ/2.8 DN Art

Attribute	Sigma 19mm f/2.8 DN Art ×	Sigma 30mm ƒ/2.8 DN Art ×
Diaphragm Blades Type	rounded	rounded
Notes	Lens mounts: Sony E-Mount, Micro Four Thirds. Lens hood (LH520-03) included. Available in black or silver.	Lens mounts: Sony E-Mount, Micro Four Thirds. Lens hood (LH520-03) included. Available in black or silver.
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Magnification Ratio (x)	0.14	0.12
Filter Size (mm)	46	46
Type	Wide Prime	Standard Prime
Closest Focus (m)	0.2	0.3
Diaphragm Blades	7	7
Lens Construction	8 elements in 6 groups, including 3 aspherical elements	7 elements in 5 groups, including 2 aspherical elements
Focal Length (mm)	19.00	30.00
APS Equivalent	1.5x: 28.5mm; 2.0x: 38mm	1.5x: 45mm; 2.0x: 60mm
Image Circle	APS-C	APS-C
Brand	Sigma	Sigma
Name	Sigma 19mm f/2.8 DN Art	Sigma 30mm ƒ/2.8 DN Art
Diagonal Angle of View (degree)	59.30	39.60
Length (mm)	45.7	40.5
Diameter (mm)	60.8	60.8
Focus Details	Inner focusing with linear AF motor	Inner focusing with linear AF motor