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SIGMA introduces 24-70mm F2.8 DG DN Art lens with new design for full-frame mirrorless

SIGMA Canada is pleased to introduce the new SIGMA 24-70mm F2.8 DG DN | Art lens. This is SIGMA's second “Art zoom” dedicated for mirrorless cameras, following the success of the SIGMA 14-24mm F2.8 DG DN | Art. The lens features best-in-class performance for a large-aperture standard zoom lens offering high resolution throughout the entire zoom range. The goal to achieve a zoom lens that could match today's high resolution mirrorless cameras was first realized in the 14-24mm F2.8 DG DN | Art, SIGMA’s first Art zoom dedicated for mirrorless cameras. That same image quality is inherited by the 24-70mm F2.8 DG DN | Art, the second Art zoom. By designing a lens specifically for the mirrorless flange distance, the lens size and weight are successfully reduced, while achieving uniformity and high resolution from the center to the periphery throughout the zoom range. Furthermore, compatibility with the latest mirrorless camera bodies and functions assists in various photographic environments and meets the high demands of professional or advanced amateur photographers. 

Pricing and availability for the new SIGMA 24-70mm F2.8 DG DN | Art lens have not yet been announced. For further details about this new lens, please contact David Bursach, Brand Manager - Imaging Technical Products, at 905-513-7733 or email

About Product Name: Product name includes “DG” when the lens is designed to deliver the ultimate in performance on cameras with full-frame sensors, and “DN” when the lens design is optimized for mirrorless cameras with the short flange focal length.

[Key Features]

Best-in-class optical performance

The F2.8 Art zoom flagship zoom lens series is developed primarily to achieve superior optical performance.

As extra-low dispersion glass materials, six sheets of “F” low dispersion (FLD) glass and two sheets of special low dispersion (SLD) glass are lavishly employed while taking advantage of an optical design dedicated for mirrorless lenses. By employing three aspheric lenses, this zoom lens thoroughly subdues aberrations such as axial chromatic aberration or sagittal coma aberrations, which are difficult to correct in post-processing, tailors the resolution and achieves uniformity and superior optical performance from the center to the periphery throughout the zoom range.

In addition to Super Multi-Layer Coating, Nano Porous Coating* is employed. This lens is designed so as to be less affected by strong incident light such as flare.

The mirrorless camera-dedicated design successfully contributes to reduction in the lens size and weight.

* In the SIGMA’s own proprietary coating technology, NPC (Nano Porous Coating), porous silica is employed for coating materials. A porous silica layer creates Nano-sized pores inside which air is contained. The pores of this size make it possible to reduce the refractive index significantly, even lower compared with the existing antireflection coatings, thereby drastically reducing reflected light causing flare and ghosting and achieving the high-contrast and clear image quality.

Ensuring compatibility with the latest full-frame mirrorless camera bodies

The SIGMA 24–70mm F2.8 DG DN ensures compatibility with various types of the latest full-frame mirrorless camera bodies tailored for L-Mount and Sony E-Mount so as to be capable of exerting the best performance under any photographic circumstances, assuming that professional or advanced amateur photographers use it.

To the AFL button, for example, various functions can be assigned from a camera body, which enhance the operability while photographing. Employing a stepping motor and the latest algorithm successfully establishes a good balance between acceleration and quietness of the AF drive. This enables stress-free focusing.

Furthermore, this lens is compatible with the Eye-Detection AF used more frequently in mirrorless cameras, which is capable of high-precision focusing at the time of portrait photography.

Adaptable to various uses and photographic environments

The minimum focusing distance is 18 cm at the wide-angle end. The maximum magnifications are 1:2.9 at the wide-angle end and 1:4.5 at the telephoto end, which provides a wider range of expression for close-up photography.

Furthermore, the lens adapts to various uses and usage environments through employment of the dust- and splash-proof structure and the zoom lock mechanism for preventing the lens barrel from extending unexpectedly, and meet a wide range of needs for photography. An AF/MF switch used for the many conventional SIGMA’s lenses is also embedded in the lens barrel. Essential and basic functions are also equipped.

The lens body is elaborately made with focused attention to detail. Its operating parts such as a zoom ring and manual ring offer a positive tactile experience.

 [Other Features]

  • Zoom lock switch
  • Lens hood with a lock
  • Mount with dust- and splash-proof structure
  • Compatible with the Lens Aberration Correction
  • Available Mount conversion service
  • Designed to minimize flare and ghosting
  • Evaluation with SIGMA’s own MTF measuring system: A1
  • 11-blade rounded diaphragm
  • High-precision, rugged brass bayonet mount
  • “Made in Japan” craftsmanship

 [Specifications] All figures based on Sigma L Mount.

  • Lens construction: 19 elements in 15 groups
  • Minimum aperture: F22
  • Angle of view (35mm): 84.1°-34.3°
  • Minimum focusing distance: 18-38cm / 7.06-14.96in.
  • Dimensions (diameter x length): ø87.8mm × 122.9mm / ø3.5in. × 4.8in.
  • Number of diaphragm blades: 11 (Rounded diaphragm)
  • Maximum magnification ratio: Wide 1:2.9-Tele 1:4.5
  • Weight: 835g / 29.5oz.
  • Available AF Mount: L-Mount, Sony E-mount

Note: The L-Mount Trademark is a registered Trademark of Leica Camera AG.
Appearance and specifications are subject to change without notice.

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