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Sigma 28-70mm f2.8 DG DN Contemporary

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Specifications

BrandSigma
CategoryWide Angle, Normal, Telephoto
Prime or ZoomZoom
Focus TypeAuto
Focal length (mm)28-70
Aperture (max)2.8
Filter Size (mm)67
Weight (g)470
Length (mm)104
Diameter (mm)72
Weather Sealed✔
Image Stabilization✘
Min. focus distance (m)0.19
Max. magnification0.3
Release Year2021
Release Price (USD)549
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Description and Reviews

Key Take-Aways:

The Sigma 28-70mm f/2.8 DG DN Contemporary is a compact, lightweight standard zoom with a constant f/2.8 aperture, weighing only 470g. Professional reviews highlight its good sharpness, low distortion, fast autofocus, and portability, while noting trade-offs such as reduced wide-angle coverage compared to 24–70mm lenses, visible vignetting and chromatic aberrations at wide apertures, and build quality that is more utilitarian than premium. As of Sep 14 2025, user sentiment on photography forums is generally positive, with many praising its balance of size, weight, and image quality for everyday use, though some express concerns about long-term durability and sample variation.

From Sigma:

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.*

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