Sigma Art 28-45mm F1.8 DG DN - L Mount
A2845DGDNL
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Description
Already the pioneer of unique, large-aperture zoom lenses including the SIGMA 18-35mm F1.8 DC HSM | Art and the SIGMA 24-35mm F2 DG HSM | Art, SIGMA introduces another fast, portable and versatile tool to its Art lineup.
In addition to its unprecedented brightness, the SIGMA 28-45mm F1.8 DG DN | Art delivers sharpness and clarity comparable to that of a prime lens throughout its entire zoom range. Also equipped with fast and precise AF and superior operability, this innovative optic turns a new page in the history of zoom lenses and their creative possibilities. It is a lens that will inspire full-frame film-makers, while bringing unparalleled versatility to stills photographers.
The world's first full-frame, F1.8 maximum aperture zoom lens
SIGMA has successfully developed the world's first full-frame zoom lens with a maximum aperture of F1.8. The SIGMA 28-45mm F1.8 DG DN | Art incorporates an inner zoom mechanism, a minimum focusing distance of 30cm across the entire zoom range, and a filter size of φ82mm. Despite its advanced feature-set, the lens weighs less than 1kg, making it a portable and versatile option for either hand-held shooting or a gimbal setup.
Excellent optical performance comparable to that of a prime lens
With each optical aberration meticulously corrected throughout the zoom range, the SIGMA 28-45mm F1.8 DG DN | Art rivals prime lenses for clarity and definition. Thanks to its advanced coatings, the lens produces clear images, even in backlit environments, while focus breathing is thoroughly suppressed, bringing expressive power to film-makers and photographers.
High-speed AF speed and innovative features
The SIGMA 28-45mm F1.8 DG DN | Art delivers a range of professional features as impressive as its outstanding optical performance. With high-speed and adaptable AF, a durable weather-resistant structure, a de-clickable aperture ring, smooth manual focusing and on-barrel AFL buttons, all features combine to create a versatile photographic tool capable of responding to any situation.
Technical Data
Focal Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-45 mm
Minimum Aperture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F16
Lens Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 elements in 15 groups
Angle of View (35mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75.4° - 51.3°
Number of Diaphragm Blades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 (Rounded diaphragm)
Minimum Focusing Distance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 cm / 11.9 in
Maximum Magnification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1:4
Filter Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 mm
Dimensions . . . . . . . . . . . . . . . . . . . . . . . Diameter: 87.8 mm × 151.4 mm / 3.5 in × 6.0 in
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 960 g / 33.9 oz
Mounts (AF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L-mount / Sony E-mount