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SIGMA 28-105mm F2.8 DG DN | Art

SIG

SIGMA has announced its new 28-105mm F2.8 DG DN | Art. The whole concept behind this full frame lens was to cover many popular focal lengths in a single fast-aperture zoom.

The SIGMA 28-105mm F2.8 DG DN | Art is available for Sony E-mount and L-Mount.

The lens features a HLA (High-response Linear Actuator) autofocus, and the optical performance is claimed to be on par with the standard of Art line lenses.

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Like the 24-70mm F2.8 DG DN II | Art and the 28-45mm F2.8 DG DN | Art, the new 28-105mm F2.8 includes a lockable aperture ring with click/declick function, as well as two AFL buttons and a zoom lock switch. Additionally, the dust- and splash-resistant design and water-and oil-repellant coating on the front element make it suitable for shooting both stills and video in inclement weather.

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The minimum focusing distance is 15.8″ / 40cm at all focal lengths, and the maximum magnification ratio is 1:3.1 at the telephoto end. This lens also features a rounded twelve-blade diaphragm, which helps to keep the large aperture unit as small as possible.

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Measures have been taken to minimize changes in optical performance due to differences in zoom and focus positions, including the use of a difficult-to-process large-diameter FLD glass in the first group to suppress aberrations in each group. In addition, the use of 5 aspherical lens elements has enabled the lens to achieve both a wide zoom range of 28mm to 105mm and a large-aperture of F2.8, while reducing its overall size.

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By thoroughly reducing the weight of each part, the lens is kept under 2 pounds while achieving both a wide zoom range and an F2.8 aperture. The lens barrel near the mount is made of magnesium rather than aluminum, ensuring rigidity while reducing the weight of these parts alone by two-thirds.

Price & Availability

The SIGMA 28-105mm F2.8 DG DN | Art retails for $1,499 USD and will be available in late September 2024.

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