Sigma 24-70mm f/2.8 Art OS HSM DG
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Sigma 24-70mm f/2.8 Art OS HSM DG | |||||||||||||||||||||||||||||||||||||||
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A worthy alternative to "native" glasses with a universal set of focal lengths of 24-70 mm, released for all main mirror mounts. The high class of the lens is confirmed by its belonging to the top line of Art lenses. Throughout the zoom range, the model maintains a high maximum aperture of f/2.8. In addition, an optical image stabilizer is put on guard for the clarity of the picture.
Keeping him company inside the dust- and moisture-proof housing of the Sigma 24-70mm F2.8 DG OS HSM Art is the quiet and nimble motor of the automatic focus system. The complex optical design of the zoom lens has 19 elements, combined in 14 groups. The trinity of lenses is made of glass with extra low dispersion (SLD), and four more elements are aspherical, which has a positive effect on the effectiveness of the fight against distortions and aberrations. The diameter of the front lens of the lens, on which you can put a light filter, is 82 mm.
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Buy Sigma 24-70mm f/2.8 Art OS HSM DG
All prices 11 →Sigma 24-70mm f/2.8 DG OS HSM Art Lens for Canon EF (Intl Model) Deluxe Kit 576954-229 | $1,209.95 |  | |||
Sigma 24-70mm f/2.8 DG OS HSM Art Lens for Canon EF (Intl Model) Standard Kit 576954-129 | $1,199.95 | | |||
Sigma 24-70mm f/2.8 DG OS HSM Art Lens for Canon EF with Essential Bundle: Backpack + 3PC Filter + More A070321SIG6A20 | $1,244.95 | | |||
Sigma 24-70mm f/2.8 DG OS HSM Art Lens for Canon EF with Bundle: 3pc Filter Kit + More A070321SIG6A19 | $1,209.95 | | |||
Sigma 24-70mm f/2.8 DG OS HSM Art Lens for Canon EF with Bundle Includes: Sandisk 64gb SD Card, 9PC Filter Kit + More A07011 | $1,274.95 | | |||
The Art line is comprised entirely of high-end Sigma lenses with an artistic bias. One of these is a zoom with the most popular set of focal lengths of 24-70 mm, flavored with a constant maximum aperture of f / 2.8.
High-end build
The model is assembled in a dust- and moisture-proof case with a metal "back" for screwing to the "carcass" of the camera. The bayonet mount of the lens is surrounded by a rubberized insert, which is an additional link to protect the "insides" of the lens from external influences. The body of the Sigma 24-70mm f/2.8 DG OS HSM Art has a wide zoom ring, a narrow manual focus ring (requires getting used to), focus and stabilization mode slide switches, and a window with a marked distance scale.
Equipment
The lens "draws" a sharp and juicy picture with high micro-contrast starting from an open aperture of f / 2.8. In quick focus, he is assisted by the built-in HSM (Hyper-Sonic Motor) ultrasonic drive. The model also carries an optical image stabilizer on board, which helps out when the ambient light is not good enough and helps to get a smooth picture when shooting a video sequence.
Optical structure
The optical design of the Sigma 24-70mm f/2.8 DG OS HSM Art contains 19 elements, which are combined under the wing of 14 groups. Among them are three low dispersion SLD lenses and four aspherical elements to reduce aberrations. On the front lens of the lens, you can "put on" a filter with a diameter of 82 mm. Finally, in the story about the model, one cannot ignore the 9-blade diaphragm, with which you can “draw” spectacular bokeh with regular-shaped “rounds” in the blur zone. The last important arguments in favor of the model are a more humane price tag than for “native” glasses from A-brands with similar FRs, and compatibility with the entire mirror “guard” of full-frame cameras.
