Sigma 18-50mm f/2.8-4.5 DC OS HSM

Lens Reviews / Sigma Lenses i Lab tested
Lens Specifications
Name Sigma 18-50mm ƒ/2.8-4.5 DC OS HSM
Image Circle APS-C
Type Standard Zoom
Focal Length 18 - 50mm
APS Equivalent 1.5x: 27 - 75mm; 1.6x: 28.8 - 80mm
Max Aperture ƒ/2.8 - 4.5
Min Aperture ƒ/22
Diaphragm Blades 7
Lens Construction 16 elements in 12 groups, including 2 SLD and 3 aspherical lenses
Diagonal Angle of View(Based on image circle) 69.3 to 27.9 degrees
Focus Details Internal with HSM
Front Element Rotation No
Zoom System Rotary
Closest Focus 30cm / 11.8 in.
Magnification Ratio 0.24x / 1:4.1
Filter Size 67mm
Dimensions(Length x Diameter) 88.6mm x 74mm / 3.4 in. x 2.9 in.
Weight 395g / 13.9 oz
Notes Available AF Mounts: Sigma, Canon, Nikon, Sony, Pentax. Included Accessories: Case, Lens Hood. Optical Stabilization.
Typical Online Price US$400