3 YEAR SIGMA WARRANTY

The SIGMA 28-105mm F2.8 DG DN | Art is not just another standard zoom lens. With a powerful wide-angle to medium telephoto focal length and a bright F2.8 aperture throughout, this full-frame mirrorless zoom combines outstanding optical performance, superb build quality and a range of pro-grade features to make it one of the most versatile optics on the market for mirrorless systems.

The lens is built to tackle a huge range of subjects and situations, from expansive low-light landscapes to portraits with big, beautiful bokeh, and thanks to SIGMA’s latest optical technology and the use of large diameter elements including FLD, SLD and five aspherical elements, it is able to do so with superb clarity and sharpness. This allows the lens to deliver exceptional versatility without compromising on optical quality. The lens also includes high-speed AF with HLA technology, a rugged dust- and splash-resistant structure, and various functions such as an aperture ring, all packed into a compact and lightweight body weighing less than 1kg, making it an exceptional all-round choice for both stills and video.

The SIGMA 28-105mm F2.8 DG DN | Art lens, with its fast aperture throughout the entire zoom range, is a versatile workhorse suitable for virtually all types of photography. Landscape photographers can capture expansive scenes even in low light, thanks to the F2.8 aperture, which also excels for twilight cityscapes. The mid-range focal lengths are perfect for dimly lit documentary and street photography, offering shutter speeds a full stop faster than similar lenses. For portraits, the longer focal lengths of 85mm and 105mm, paired with the F2.8 aperture, create a shallow depth-of-field that beautifully isolates the subject against a backdrop of smooth bokeh.

The lens has excellent close-up capability with a minimum focusing distance of 40cm at the wide end and a maximum magnification ratio of 1:3.1. This is useful when composing close-up shots of a subject, or when shooting in locations where space is limited.

Standard zoom lenses are expected to be compact and lightweight for comfortable all-day handheld use. The SIGMA 28-105mm F2.8 DG DN | Art is crafted with this in mind. It incorporates five aspherical elements to reduce the total length and features a magnesium-alloy construction near the mount, ensuring the lens weighs under 1kg. This design achieves excellent portability akin to shorter standard zoom lenses, yet offers an extended zoom range.

The SIGMA 28-105mm F2.8 DG DN | Art operates without compromise, suppressing aberrations very effectively within each lens group, and throughout the entire zoom and focal range. This ensures the lens has a consistent performance even with such a long zoom range. This is thanks to the lens’s premium optical design, which includes two FLD, one SLD and five aspherical elements, the first grouping of which uses a large-diameter φ66.4mm element that is extremely difficult to produce and only available thanks to SIGMA’s advanced manufacturing technology at its sole production base in Aizu, Japan

Lens construction	18 elements in 13 groups
Angle of view	75.4°-23.3°
Number of diaphragm blades	12 (rounded diaphragm)
Minimum aperture	F22
Minimum focusing distance	40cm
Maximum magnification ratio	1:3.1
Filter thread	82mm
Dimensions (diameter x length)	ø87.8mm × 157.9mm
Weight	995g

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