Comparison of Sigma 30mm ƒ/1.4 DC HSM Art and Sigma 30mm f/1.4 EX DC HSM

Attribute	Sigma 30mm ƒ/1.4 DC HSM Art ×	Sigma 30mm f/1.4 EX DC HSM ×
Magnification Ratio (x)	0.15	0.1
Filter Size (mm)	62	62
Focus Details	Rear focusing system with HSM (Hyper Sonic Motor)	Internal focusing system with HSM
Closest Focus (m)	0.3	0.4
Lens Construction	9 elements in 8 groups, including 1 aspherical element, Super Multi-Layer Coating	7 elements in 7 groups, including a hybrid aspherical lens and two Special Low Dispersion elements
Length (mm)	63.3	59
Focal Length (mm)	30.00	30.00
Diaphragm Blades Type	rounded	-
Brand	Sigma	Sigma
Image Circle	Image Circle	Image Circle
Name	Sigma 30mm ƒ/1.4 DC HSM Art	Sigma 30mm f/1.4 EX DC HSM
Weight (g)	435	430
Type	Standard Prime	Standard Prime
Notes	Available AF mounts: Sigma, Canon, Nikon. Included Accessories: case, petal type lens hood (LH686-01).	Available AF mounts: [HSM version]: Sigma, Canon, Nikon, Four-Thirds; [w/o HSM]: Pentax, Sony
APS Equivalent	1.5x: 45mm; 1.6x: 48mm	1.5x: 45mm; 1.6x: 48mm
Aperture (f)	1.40 - 16.00	1.40 - 16.00
Diaphragm Blades	9	8
Diagonal Angle of View (degree)	50.70	45.00
Diameter (mm)	74.2	75.5