The optical design of the SIGMA 28-70mm F2.8 DG DN | Contemporary is based on the 24-70mm F2.8 DG DN | Art, which is renowned for its outstanding optical performance throughout its zoom range. True to the Contemporary line’s core concept, the 28-70mm F2.8 DG DN | Contemporary was developed to offer the right balance of performance and portability, and as such, this large-aperture standard zoom delivers outstanding image quality that rivals Art line lenses in a body light enough for day-to-day use.
The SIGMA 28-70mm F2.8 DG DN lens for Sony E-Mount features a simpler dust- and splash-proof structure smaller switches and just one lightweight focusing element, which keeps the AF unit small. This makes it the smallest and lightest lens in its class.The supreme portability afforded by a camera system that weighs less than 1kg gives photographers a huge amount of freedom and flexibility to achieve their creative vision.
With priority given to optimal portability, the body of the SIGMA 28-70mm F2.8 DG DN | Contemporary consists primarily of lightweight parts. While conventional wisdom states that it is more difficult to ensure processing accuracy for plastic parts than metal parts, there has been no compromise whatsoever on build quality for the 28-70mm F2.8 DG DN | Contemporary.
The SIGMA 28-70mm F2.8 DG DN | Contemporary redefines the standard zoom for mirrorless cameras by combining outstanding optical performance, an F2.8 constant aperture, and a lightweight and compact body. The design of the 28-70mm F2.8 DG DN | Contemporary is based on the existing 24-70mm F2.8 DG DN | Art, but with a focal range starting at 28mm, making the lens body significantly smaller and lighter while maintaining superb optical performance. It is the smallest and lightest lens in its class*. Remaining true to the Contemporary line’s core concept of maintaining an optimal balance between optical performance and lens size, this new optic delivers professional quality results in a body small enough to take on a casual outing.
In addition to prioritizing portability, SIGMA’s optical engineers introduced a new combination of coatings and structural elements that make this standard zoom well-equipped for use in a wide range of shooting environments. Likewise, the latest production and manufacturing techniques were employed to ensure exceptionally high build quality. The 28-70mm F2.8 DG DN | Contemporary introduces another fast, high-performance, large-aperture zoom lens to SIGMA’s mirrorless line-up, offering a more compact alternative to the existing 24-70mm F2.8 DG DN | Art.
12 groups, 16 elements (2 FLD elements, 2 SLD elements, 3 aspherical elements)
Angle of view (35mm)
Minimum focusing distance
19(W)-38(T)cm / 7.5(W)-15(T)in.
Dimensions (diameter × length)
φ72.2mm × 103.5mm / φ2.8in. × 4.1in.
Number of diaphragm blades
9 (Rounded diaphragm)
Maximum magnification ratio
1: 3.3(W) - 1: 4.6(T)
470g / 16.6oz.
Corresponding AF mount
* About Edition numberThe three-digit code on the surface of the lens is to indicate the year the lens was first released.(Since it is different from the year of manufacture, the release year and edition number may not match depending on the mount.)
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