"Features

Standard zoom for full-frame E-mount mirrorless cameras

42-105mm equivalent focal length when used on an APS-C camera

Constant f/2.8 maximum aperture for Low light uses and depth-of-field control

Two F Low Dispersion (FLD) and two Special Low Dispersion (SLD) elements reduce chromatic aberrations and color fringing

Three aspherical elements control spherical aberrations and distortion

Both Super Multi-Layer and Nano Porous coatings minimize lens flare and ghosting and produce contrast-rich and color-neutral imagery

Integrated stepping motor and optimized AF algorithm provides quick and quiet autofocus

28mm minimum focus distance: 7.5″, 1:3.3 magnification

70mm minimum focus distance: 15″, 1:4.6 magnification

Rounded nine-blade diaphragm for a pleasing bokeh quality

Brass bayonet for mounting accuracy and rigidity

Rubber sealing for dust- and splash-resistance

Sigma 28-70mm F/2.8 DG DN Specs

Focal Length 28 to 70mm

Maximum Aperture f/2.8

Minimum Aperture f/22

Lens Mount Sony E

Lens Format Coverage Full-Frame

Angle of View 75.4° to 34.3°

Minimum Focus Distance 7.5″ / 19 cm

Maximum Magnification 4.6x

Optical Design 16 Elements in 12 Groups

Diaphragm Blades 9, Rounded

Focus Type Autofocus

Image Stabilization No

Filter Size 67 mm (Front)

Dimensions (ø x L) 2.8 x 4″ / 72.2 x 101.5 mm

Length at Maximum Extension 4.97″ / 126.3 mm

Weight 16.6 oz / 470 g

Packaging Info

Package Weight 1.73 lb

Box Dimensions (LxWxH) 5.6 x 4.9 x 4.6″

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