Sigma 50mm F1.2 DG DN Art Lens for L-Mount

SKU:
4316969
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Key Features

  • Full-Frame | f/1.2 to f/16
  • Fast, Wide-Aperture Lens
  • High-Response Linear Actuator AF System
  • Four Aspherical Lens Elements
$2,950.00

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Product Overview

The Sigma 50mm f/1.2 DG DN Art Lens combines lightweight, precise construction with exceptional brightness, making it an ideal choice for everyday use on Leica L-mount cameras. Its advanced dual HLA motors enable quiet, high-speed autofocus, while the compact design ensures portability.

Designed for artistic and flattering imagery, it features an ultra-wide f/1.2 aperture for impressive bokeh and superior performance in low-light conditions. Coupled with a robust build including dust- and splash-resistance, it's a versatile lens perfect for a variety of shooting scenarios.

Ideal for these users

Portrait Photographers - The wide aperture and smooth bokeh make it perfect for creating evocative and flattering portraits with beautiful background blur.

Street Photographers - Its lightweight and compact design, combined with quick autofocus, suits the fast-paced environment of street photography.

Low-light Shooters - The f/1.2 aperture allows more light into the lens, making it ideal for those who frequently shoot in limited light conditions.

Video Creators - Quiet autofocus and the ability to create visually pleasing bokeh effects make this lens excellent for videographers looking for cinematic quality.

Product Details

Lightweight, Precise & Bright

The lightest in its class and the brightest in Sigma's 50mm prime lineup, the 50mm f/1.2 DG DN Art Lens for Leica L-mount cameras is a well-designed lens for everyday use. Driven by Sigma's dual HLA (High-response Linear Actuator) motors, this lens delivers quiet and high-speed performance. Simultaneously, this focusing system allows for a more compact design, helping make this lens lighter than its counterparts. This classic focal length paired with an extremely wide f/1.2 maximum aperture allows users to effortlessly capture a variety of subject matter. Also, there are physical function buttons and switches that improve the lens's overall ease of use as well as its reliability in the field. To reduce ghosting and improve contrast, a super multilayer coating is used on the glass elements.

Impressively Smooth Bokeh

Sporting a f/1.2 maximum aperture, this 50mm prime lens provides rich and beautiful bokeh. Not only is this a massive benefit for creating more artistic and flattering imagery, but it allows you the ability to capture detailed images in harsh lighting conditions.


This lens's rounded 13-blade diaphragm is a first for Sigma and maintains a circular shape, helping create smooth and round bokeh even when stopped down.

Exceptional Build

Constructed with convenience in mind, the 50mm f/1.2 is equipped with multiple functions to assist you while shooting. An AFL button is available for maintaining focus on a single distance. Certain camera models allow for customizing the AFL's function.


The dust- and splash-resistant lens structure combined with the front lens element's water and oil-repellent coating create a durable overall lens that's reliable in the field.

The aperture ring is lockable and can be set to click/de-click depending on your preference.

Additional Benefits

  • Lens construction: 17 elements in 12 groups
  • Petal lens hood with locking mechanism
  • Rounded 13-blade diaphragm
  • Weight: 1.6 lb
  • High refractive index glass and four aspherical lens elements
  • Manual focus ring can be assigned to be linear or non-linear response on compatible L-mount cameras

Key Specs

Focal Length50mm
Maximum Aperturef/1.2
Lens MountLeica L
Lens Format CoverageFull-Frame
Focus TypeAutofocus
Image StabilizationNo
Filter Size72 mm (Front)
Maximum Aperturef/1.2
Minimum Aperturef/16
Lens MountLeica L
Lens Format CoverageFull-Frame
Angle of View46.8°
Minimum Focus Distance15.7" / 40 cm
Maximum Magnification0.16x
Macro Reproduction Ratio1:6.2
Optical Design17 Elements in 12 Groups
Diaphragm Blades13, Rounded
Focus TypeAutofocus
Image StabilizationNo
Filter Size72 mm (Front)
Dimensions (ø x L)3.2 x 4.3" / 81 x 108.8 mm
Weight1.6 lb / 745 g

What's in the box

  • Sigma 50mm f/1.2 DG DN Art Lens (Leica L)
  • Sigma LCF-72 III 72mm Lens Cap
  • Sigma LCR II Rear Lens Cap for Leica L
  • Sigma Lens Hood for 50mm f/1.2 DG DN Art Lens
  • Sigma Lens Case for 50mm f/1.2 DG DN Art Lens
  • Limited 4-Year Manufacturer Warranty
  • Barcode: 73259
  • UPC Barcode: 85126316693
  • Supplier Code: 4316969