Sigma 30mm f/1.4 DC HSM Art

Lens Reviews / Sigma Lenses i Lab tested
Lens Specifications
Name Sigma 30mm ƒ/1.4 DC HSM Art
Image Circle APS-C
Type Standard Prime
Focal Length 30mm
APS Equivalent 1.5x: 45mm; 1.6x: 48mm
Max Aperture ƒ/1.4
Min Aperture ƒ/16
Diaphragm Blades 9 (rounded)
Lens Construction 9 elements in 8 groups, including 1 aspherical element, Super Multi-Layer Coating
Diagonal Angle of View(Based on image circle) 50.7 degrees
Focus Details Rear focusing system with HSM (Hyper Sonic Motor)
Front Element Rotation No
Zoom System n/a
Closest Focus 30cm / 11.8 in.
Magnification Ratio 0.15x / 1:6.8
Filter Size 62mm
Dimensions(Length x Diameter) 63.3mm x 74.2mm / 2.5 in. x 2.9 in.
Weight 435g / 15.3 oz
Notes Available AF mounts: Sigma, Canon, Nikon. Included Accessories: case, petal type lens hood (LH686-01).
Typical Online Price US$499 (Available late March 2013)