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Sigma 24-70mm f/2.8 DG DN II Art specifications and in-depth review

Sigma 24-70mm f/2.8 DG DN II Art

Manufacturer: Sigma

The Sigma 24-70mm f/2.8 DG DN II Art is a standard zoom lens designed for Leica L mount systems, sitting within Sigma's Art line and built around a metal mount construction. It covers a versatile focal range from 24mm to 70mm, and its constant f/2.8 maximum aperture holds steady across the entire zoom range. The lens ships with a hood included and carries a weather-sealed body, making it suitable for varied shooting conditions.

On the optical side, the lens offers a maximum angle of view of 84.1° and a minimum of 34.3°, with a magnification of 0.37x and a minimum focus distance of just 0.17 m. Autofocus is handled by a built-in silent focus motor that also supports full-time manual focus override, and the lens can focus to infinity. Its 11-blade rounded aperture diaphragm has a smallest aperture of f/22 at the wide end, while the lens does not include optical image stabilization. Total weight is 745 g with an 82mm filter thread.

Pros
  • Maintains a constant f/2.8 aperture throughout the entire zoom range, ensuring consistent exposure without adjustment as focal length changes
  • Weather-sealed construction with a metal mount adds resilience against splashes and contributes to overall build durability
  • The built-in silent focus motor allows quiet autofocus operation, which is practical in environments where noise is a concern
  • Full-time manual focus override lets the user refine focus at any point without switching between modes
  • A minimum focus distance of 0.17 m allows close-range shooting without the need for additional accessories
  • Ships with a lens hood included, providing immediate protection against stray light straight out of the box
Cons
  • No built-in optical image stabilization, meaning the lens relies entirely on the camera body or shooting technique to compensate for camera shake
  • At 745 g, the lens adds considerable weight to a camera system, which may be tiring during extended handheld use
  • The 82mm filter diameter means compatible filters tend to be larger and bulkier than those used with smaller lenses
Who is this for?

This lens is well-suited to photographers who need a versatile zoom range in a single lens without sacrificing light-gathering consistency, thanks to its constant f/2.8 aperture across the full 24–70mm range. The silent autofocus motor and full-time manual focus override make it a practical choice for event, documentary, or video work where quiet operation matters. Its weather-sealed, metal-mount construction makes it a reliable option for outdoor or on-location shooting where exposure to moisture or physical stress is a realistic concern.

Who is this NOT for?

Users who rely on optical image stabilization in the lens itself will find this optic unsuitable, as it offers no such system, placing the full burden of stabilization on the camera body or the shooter. At 745 g with an 82mm filter thread, the lens is bulky enough to be impractical for those prioritizing a lightweight, compact travel setup. It is also not a strong fit for photographers who need extreme close-up magnification, as its 0.37x maximum magnification is modest and falls short of what dedicated macro work requires.

General info:

lens type Zoom, Standard
lens mount Leica L
is weather-sealed (splashproof) ✓
Has a metal mount ✓
weight 745 g
Includes lens hood ✓
filter size 82 mm

The Sigma 24-70mm f/2.8 DG DN II Art is a standard zoom lens built for the Leica L mount, constructed with a metal mount for added durability. It carries a weather-sealed body, offering splash protection during use. The lens weighs 745 g and accepts 82mm filters, and it ships with a lens hood included.

Optics:

maximum focal length 70 mm
minimum focal length 24 mm
has built-in optical image stabilization ✕
maximum angle of view 84.1°
minimum angle of view 34.3°
magnification 0.37x
optical zoom 2.9x

The lens covers a focal range of 24mm to 70mm, delivering a 2.9x optical zoom with angles of view spanning from 84.1° at the wide end down to 34.3° at the long end. It achieves a magnification of 0.37x, and does not include built-in optical image stabilization.

Aperture:

wide aperture (main camera) 2.8f
widest aperture at maximum focal length 2.8f
aperture blades 11
Has rounded aperture blades ✓
smallest aperture at maximum focal length 2.8f
smallest aperture at minimum focal length 22f

The lens maintains a constant maximum aperture of f/2.8 across its entire zoom range, from the minimum to the maximum focal length. At the wide end, the smallest available aperture is f/22. The diaphragm is built with 11 rounded aperture blades, which contributes to a smoother out-of-focus rendering in the background.

Focus:

Can focus to infinity ✓
Has focus motor ✓
Has full-time manual focus ✓
has a silent focus motor built into the lens ✓
minimum focus distance 0.17 m

The lens includes a built-in focus motor that operates silently, and supports full-time manual focus override without needing to switch modes. It can focus to infinity and reaches a minimum focus distance of 0.17 m, allowing it to work at close range to the subject.

Benchmarks:

Final Verdict

The Sigma 24-70mm f/2.8 DG DN II Art is a well-specified standard zoom for Leica L mount systems, built around a constant f/2.8 aperture that holds firm across its entire focal range — a practical advantage for anyone who needs predictable exposure and light control throughout a shoot. Its weather-sealed metal construction, silent autofocus motor, and full-time manual focus support reflect a lens designed with real-world working conditions in mind. Those who prioritize a lightweight kit or depend on in-lens image stabilization will need to look elsewhere, but for Leica L mount users who want a durable, capable zoom that handles a wide variety of scenarios without optical compromise, the Sigma 24-70mm f/2.8 DG DN II Art makes a compelling case for itself.

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