Attribute | Value |
Lens Construction | 11 elements in 8 groups, including 1 aspherical element |
Diameter | 67.5 mm |
Zoom System | Rotary |
Diagonal Angle of View | 34.30 - 75.40 degree |
Aperture | 2.80 - 22.00 f |
Notes | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax; Included Accessories: Lens Hood |
Filter Size | 62 mm |
Magnification Ratio | 0.15 x |
Closest Focus | 0.5 m |
Front Element Rotation | - |
Length | 60 mm |
Diaphragm Blades | 8 |
APS Equivalent | 1.5x: 42 - 105mm; 1.6x: 44.8 - 112mm |
Focal Length | 28.00 - 70.00 mm |
Image Circle | 35mm |
Brand | Sigma |
Name | Sigma 28-70mm f/2.8-4 |
Weight | 245 g |
Type | Standard Zoom |
35mm Equivalent | Add |
Effective Reduction in Aperture | Add |
Focal Length Multiplier | Add |
APS-C Equivalent | Add |
Diaphragm Blades Type | Add |
Focus Details | Add |