Super wide-angle zoom lens designed exclusively for digital SLR cameras
Lens Construction: 14 Elements in 10 Groups
Angle of View: 102.4 - 63.8 degrees (Sigma SD format)
Number of Diaphragm Blades: 6 Blades
Minimum Aperture: F22
Minimum Focusing Distance: 24cm / 9.4 in.
Maximum Magnification: 1:6.7
Filter Size: Diameter 77mm
Lens Hood: Petal Hood
Dimensions: Diameter 83.5mm X Length 81mm | 3.3 in. X 3.2 in.
Weight: 470g/16.6 oz.