Sigma 24-70mm F2.8 DG DN Art Lens Announced!

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Sigma has just officially announced the new Sigma 24-70mm F2.8 DG DN Art lens. It is a premium standard zoom lens for Sony Full Frame and Panasonic/Leica/Sigma L-mount. The lens has 19 elements, including low dispersion (FLD), special low dispersion (SLD) and aspheric glass. It has both ‘Super Multi-Layer’ and ‘Nano Porous’ coatings to reduce flare. It is now first available for Pre-Order at B&H.

  • As part of the Art line within Sigma’s Global Vision series, this lens is designed to achieve truly notable optical performance and is ideally suited for creative and artistic applications.
  • Standard zoom is designed for full-frame Sony E-mount mirrorless cameras, however can also be used with APS-C-format models where it will provide a 36-105mm equivalent focal length range.
  • Constant f/2.8 maximum aperture is well-suited for working in available light conditions and also provides greater control over depth of field when using shallow depth of field techniques.
  • Six F Low Dispersion (FLD) and two Special Low Dispersion (SLD) elements markedly reduce chromatic aberrations and color fringing throughout the zoom range for improved clarity and color accuracy.
  • Three aspherical elements control spherical aberrations and distortion for increased sharpness and accurate rendering.
  • Both Super Multi-Layer and Nano Porous Coatings have been applied to lens elements in order to minimize lens flare and ghosting and contribute to producing contrast-rich and color-neutral imagery, even in backlit conditions.
  • Integrated stepping motor realizes quick and quiet autofocus, which is further complemented by an optimized AF algorithm to produce smoother focusing performance.
  • At the wide-angle end of the zoom range, a minimum focusing distance of 7.1″ is possible with a maximum magnification of 1:2.9 to suit working with close-up subjects. At the telephoto end, the minimum focusing distance is 1.25′ with a maximum magnification of 1:4.5.
  • Integrated AF-L button can be programmed to adjust various shooting settings and the lens also features a dedicated AF/MF switch and a zoom lock switch to prevent the barrel from accidentally extended.
  • Rounded 11-blade diaphragm contributes to a pleasing bokeh quality.
  • Brass bayonet affords improved mounting accuracy and rigidity and rubber sealing is incorporated in the mount’s design to render it dust- and splash-resistant.

Below are the detailed specifications:

Principal specifications
Lens type Zoom lens
Max Format size 35mm FF
Focal length 24–70 mm
Image stabilization No
Lens mount Leica SL, Sony FE
Aperture
Maximum aperture F2.8
Minimum aperture F22
Aperture ring No
Number of diaphragm blades 11
Optics
Elements 19
Groups 15
Special elements / coatings 6 FLD + 2 SLD + aspherical elements, Super Multi-Layer and Nano Porous coatings
Focus
Minimum focus 0.18 m (7.09)
Maximum magnification 0.34×
Autofocus Yes
Motor type Stepper motor
Full time manual Yes
Focus method Internal
Distance scale No
DoF scale No
Physical
Weight 835 g (1.84 lb)
Diameter 88 mm (3.46)
Length 123 mm (4.84)
Materials Magnesium alloy
Sealing Yes
Colour Black
Zoom method Rotary (extending)
Power zoom No
Zoom lock Yes
Filter thread 82 mm
Hood supplied Yes
Tripod collar No
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