Sigma 28-70mm f/2.8 DG DN Contemporary

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Lens Specifications
Name Sigma 28-70mm f/2.8 DG DN Contemporary
Image Circle 35mm
Type Standard Zoom
Focal Length 28 - 70mm
APS Equivalent 42 - 105mm
Max Aperture f/2.8
Min Aperture f/22
Diaphragm Blades 9 (rounded)
Lens Construction 16 elements in 12 groups, including 2 FLD, 2 SLD and 3 aspherical elements; Super Multi-Layer Coating, Nano Porous Coating.
Diagonal Angle of View(Based on image circle) 75.4 to 34.3 degrees
Focus Details Internal focus with stepping motor; AF/MF switch; Supports DMF, AF+MF on Sony cameras
Front Element Rotation No
Zoom System Rotary
Closest Focus 19cm (wide) - 38cm (tele) / 7.5-15in
Magnification Ratio 3.3 to 4.6x
Filter Size 67mm
Dimensions(Length x Diameter) 101.5mm x 72.2mm / 4 in. x 2.8 in.
Weight 470g / 16.6 oz
Notes Available AF Mounts: L-Mount, E-Mount; Dust- and splash-proof at lens mount
Typical Online Price US$899 (Available Mar. 2021)