Name: Sigma 28-105mm F2.8 DG DN | A for Sony E
SKU: O94964156281
Availability: InStock

Surprisingly compact, full-frame, wide-angle to telephoto zoom lens with a fast constant aperture.
FeaturingHLA (High-response Linear Actuator) autofocus, andoptical performance that lives up to the standard of Art line lenses, theSIGMA28-105mm F2.8 DG DN | Art joinsSIGMAs lineup of fast-aperture zoom lenses in the Art line, offering photographers and videographers a variety of premium standard zoom options depending on their personal style.
Includes alockable aperture ringwithclick/declickfunction, as well astwo AFL buttonsand azoom lock switch.
Aminimum focusing distance of 15.8 inches (40cm)at all focal lengths, andmaximum magnification ratio of 1:3.1at the telephoto end add to the versatility of this new zoom lens.
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.
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.

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Sigma 28-105mm F2.8 DG DN | A for Sony E