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A versatile zoom for everyday shooting, the Sigma 24-70mm f2.8 DG OS HSM Art Lens for Nikon F covers a useful wide-angle to portrait-length range of focal lengths to suit shooting in a variety of environments.
As part of the esteemed Art series of lenses, a sophisticated optical design is used that incorporates three SLD elements and four aspherical elements to reduce chromatic and spherical aberrations, as well as colour fringing, distortions, and other anomalies for greater clarity and sharpness.
A Super Multi-Layer Coating has also been applied to suppress lens flare and ghosting for accurate colour fidelity and high contrast, and a protective coating has been applied to the front element, too, to benefit working in harsh climates. Additionally, extending its versatility, a constant f2.8 maximum aperture affords consistent performance throughout the zoom range as well as greater control over depth of field.
Complementing the imaging capabilities, the lens sports a Hyper Sonic Motor to produce quick, smooth, and quiet autofocus performance with full-time manual focus override.
An Optical Stabilizer also benefits handheld shooting by minimizing the appearance of camera shake for sharper imagery. The physical design utilizes Thermally Stable Composite material for durability in a wide range of environments, and a brass bayonet mount also offers rigidity and mounting precision.
The Sigma 24-70mm F2.8 DG HSM OS Art is a premium workhorse zoom lens designed for the latest high megapixel DSLRs. A constant aperture of 2.8 through the zoom range makes this a highly versatile tool and a brand new Optical Stabilization (OS) system helps compensate for camera shake.
Though a common focal length, the Sigma 24-70mm Art brings a new level of usability and durability featuring a rugged metal barrel and an emphasis on image quality.
Building off the experience from the 12-24mm Art, the aspherical elements used in the 24-70mm f2.8 OS Art undergo a highly precise level of polishing, producing elements thicker in the center than on the edges. This process creates stunning image quality and beautiful circular bokeh.
The Sigma 24-70mm f2.8 DG HSM OS Art is a premium workhorse zoom lens designed for the latest high-megapixel DSLRs. A constant aperture of f2.8 through the zoom range make this a highly versatile tool and a brand new Optical Stabilisation (OS) system help compensate for camera shake. Though a common focal length, the Sigma 24-70mm Art brings a new level of usability and durability featuring a rugged metal barrel and an emphasis on image quality.
Building off the experience from the 12-24mm Art, the aspherical elements used in the 24-70mm f2.8 OS Art undergo a highly precise level of polishing producing elements thicker in the centre than on the edges. This process creates stunning image quality and beautiful circular bokeh. Like each and every Global Vision Lens, the Sigma 24-70mm f2.8 DG HSM OS Art is handcrafted at our single factory in Aizu, Japan and undergoes individual evaluation before leaving Sigma's facility.
Three SLD (Special Low Dispersion) glass lens elements and four aspherical lens elements help minimise optical aberrations. To ensure outstanding image quality from the centre to the edges of the photograph, the optical system minimises coma, which causes points of light to streak, and transverse chromatic aberration, which cannot be corrected via aperture control,
The optical system also minimises distortion, which can be particularly evident in wide-angle shots, resulting in excellent optical performance throughout the zoom range.
At wide-open aperture, this lens offers outstanding photographic expression. The area in focus is extremely sharp, while the background exhibits a beautiful bokeh effect with only slight spherical aberration.
Since large-diameter zoom lenses are often used at wide-open aperture, SIGMA has paid cl...