Brands Guides About
Sigma 405969 24mm F1.4 Art DG DN L Mount Lens — main product image
Sigma

Sigma 405969 24mm F1.4 Art DG DN L Mount Lens

★★★★★5.0 (1 reviews)
f/1.418.3 oz

A wide-aperture 24mm prime built around FLD, SLD, and aspherical glass that targets landscape and astrophotography shooters on L-Mount bodies

$879.00*
✓ In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Sigma 24mm F1.4 Art DG DN is a wide-angle prime designed specifically for L-Mount mirrorless cameras, slotting into the company's flagship Art line. The 24mm focal length sits in classic territory for sweeping landscapes, environmental portraits, and astrophotography, and Sigma backs that versatility with a fast f/1.4 maximum aperture for low-light work and shallow-depth-of-field separation. Inside, the optical formula combines FLD, SLD, and aspherical glass elements aimed at delivering sharpness and clarity across the entire frame. It is a lens built for shooters who want a single, high-performance wide prime rather than a do-everything zoom.

The build reflects the Art series' usual emphasis on durability without ballooning the size. The barrel carries a dust and splash-proof seal, and a petal-type lens hood with a locking mechanism is included to guard the front element during travel. Despite the wide aperture, weight is held to 18.3 ounces (520g), which keeps the lens reasonable to carry on full-frame or APS-C L-Mount mirrorless bodies. Autofocus is handled by an integrated STM stepping motor that Sigma positions as quick, quiet, and accurate for both stills and video. For L-Mount owners building a prime kit around landscape, night sky, and everyday wide-angle shooting, it is one of the more obvious candidates to consider.

Key Features

SUPERIOR IMAGE QUALITY - Experience exceptional sharpness and clarity across the entire frame with the 24mm focal length and advanced lens construction, featuring FLD, SLD, and aspherical glass elements.

ULTIMATE VERSATILITY - Capture stunning landscapes, astrophotography, and everyday moments with the wide f/1.4 maximum aperture, allowing for exceptional low-light performance and beautiful bokeh.

FAST & PRECISE AUTOFOCUS - Benefit from the integrated STM (Stepping Motor) ensuring quick, quiet, and accurate autofocus performance, ideal for both stills and video recording on your L-Mount camera.

ROBUST & DURABLE BUILD - The lens features a dust and splash-proof design, providing reliability in various shooting conditions, complemented by a petal-type lens hood with lock for added protection.

COMPACT & LIGHTWEIGHT DESIGN - Weighing only 18.3 oz (520g), this lens offers excellent portability, making it a perfect companion for your full-frame or APS-C L-Mount mirrorless camera system.

Specifications

Brand
Sigma
Series
Art DG DN
Focal Length
24mm
Maximum Aperture
f/1.4
Lens Mount
L Mount
Format Compatibility
Full-frame and APS-C L-Mount mirrorless
Special Elements
FLD, SLD, and aspherical glass
Autofocus Motor
STM (Stepping Motor)
Weather Sealing
Dust and splash-proof design
Included Hood
Petal-type with lock
Weight
18.3 oz (520g)

Pros & Cons

👍 Pros

  • The f/1.4 maximum aperture opens up low-light scenes and astrophotography while delivering shallow depth of field at a wide focal length
  • FLD, SLD, and aspherical elements work together to deliver sharpness and clarity across the full frame at the 24mm focal length
  • A dust and splash-proof construction with a locking petal-type lens hood keeps the optic protected during rougher outdoor shoots
  • At 18.3 ounces (520g), the lens stays portable enough to pair comfortably with smaller L-Mount mirrorless bodies on long outings
  • The integrated STM stepping motor delivers quick, quiet, and accurate autofocus suited to both stills and L-Mount video work

👎 Cons

  • A fixed 24mm focal length means buyers who want zoom flexibility will need to look at Sigma's zooms or pair this with another prime
  • The L-Mount-only design locks out Sony E, Canon RF, and Nikon Z shooters who might otherwise be drawn to the f/1.4 Art optics
  • At 520g, it is heavier than slower 24mm primes, so weight-conscious travelers may find the f/1.4 aperture comes at a cost
  • The premium Art-series price point places it above more modest 24mm options for buyers on tighter budgets
  • STM autofocus, while quiet, is generally less aggressive than linear motor designs for fast-action sports or wildlife use

Frequently Asked Questions

No. This version is built for L Mount only, so it pairs with Panasonic, Leica, and Sigma L-Mount cameras rather than Sony E, Canon RF, or Nikon Z bodies.
Yes. Sigma specifically calls out astrophotography as a target use, citing the wide f/1.4 aperture and FLD, SLD, and aspherical elements that aim for sharpness across the frame.
Yes, within reason. The lens has a dust and splash-proof design, and the included locking petal-type hood adds protection for the front element during travel and outdoor use.
It weighs 18.3 ounces (520g). That keeps it portable for a full-frame f/1.4 prime, though it is heavier than slower 24mm options.
Yes. The integrated STM stepping motor is described as quick, quiet, and accurate, which Sigma positions as suitable for both stills and video on L-Mount cameras.
Yes. Sigma lists both full-frame and APS-C L-Mount mirrorless compatibility, although on APS-C the field of view will be tighter than the native 24mm.

Related Products