Sigma 50mm f/1.2 DG DN Art Lens for Leica L










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EISA LENS OF THE YEAR 2024-2025
The Sigma 50mm f/1.2 DG DN Art Lens for Leica L is a fast, wide-aperture, compact and lightweight lens. This 50mm prime lens is a well-designed lens for everyday use and delivers quiet and high-speed performance, as well as provides rich and beautiful bokeh. Features include the dust- and splash-resistant lens structure combined with the front lens element's water and oil-repellent coating to create a durable overall lens that's reliable in the field, as well as an aperture ring that is lockable and can be set to click/de-click depending on your preference.
- Full-Frame | f/1.2 to f/16
- High-Response Linear Actuator AF System
- Four Aspherical Lens Elements
- Rounded 13-Blade Diaphragm
Constructed with convenience in mind, you can capture detailed images in harsh lighting conditions and create more artistic and flattering imagery.
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The lightest in its class ― Bright f/1.2 maximum aperture and the highest level of descriptive power from SIGMA’s Art line
SIGMA's Art line has been offering new possibilities and surprises for expression, and the SIGMA 50mm f/1.2 DG DN | Art is here to break the standards. The SIGMA 50mm f/1.2 DG DN | Art has been designed with an emphasis on a high resolution from the maximum aperture to the full focus range and a large, beautiful bokeh expression. The contrast between the sharpness of the focus surface and the melting bokeh effect creates a three-dimensional effect thanks to its f/1.2 aperture. In addition, the 13-blade diaphragm allows for beautiful bokeh expressions. Focus breathing is also well-suppressed and the f/1.2 rendering can be fully utilised in video recording.
In terms of image rendition, SIGMA achieved high resolving power from the maximum aperture throughout the entire focus range, while also enriching the beauty of the large bokeh effect at f/1.2. In addition, the lens construction and mechanical design have been stripped down to the bare essentials, resulting in a significantly compact and lightweight body.
Brightness of f/1.2 maximum aperture and high resolution from minimum to infinity focus
The latest optical design achieves high resolving power with each aberration thoroughly suppressed from the maximum aperture. The lens is capable of rendering details without colour bleeding in any situation. In addition, the incorporated floating focus is advantageous in improving short-range performance, ensuring a stable, high-level image quality throughout the entire range from the minimum focusing distance to infinity.
Rich and beautiful bokeh without colour bleeding
By correcting spherical aberration, sagittal coma flare, axial chromatic aberration, and other aberrations, the lens delivers natural bokeh images that blur smoothly and without colour bleeding from the focal plane. Double-line bokeh is also suppressed, allowing users to take advantage of the mellow bokeh effect in their expression.
Designed to minimise focus breathing
Optimisation of the focus group arrangement and aspherical shape significantly suppresses focus breathing. The change in angle of view due to focus shift is minimised, creating a natural-looking focus shift when recording video.
Designed to minimise flare and ghosting
Flare and ghosting, which reduce image quality, are addressed under all conditions of incident light, based on the most advanced simulation technology. High backlight resistance enables clear and sharp images under any lighting conditions.
Dual HLA incorporating a new system
A new system was developed that significantly reduces the volume while maintaining the same thrust of the HLA, which is characterised by its high driving accuracy and quietness, and is featured in each of the two focus groups. This technological innovation has realised both high-speed autofocus and a compact lens body.
Lens construction and mechanical design stripped down to the absolute minimum
Each piece of glass is made as thin as possible while employing glasses with a high refractive index and four aspherical lenses. The high level of production technology at SIGMA’s only manufacturing base, the Aizu factory, provides the exacting precision necessary for processing these thin glass elements and making this mass production possible. In addition, the floating focus ensures high performance while shortening the overall length, resulting in a compact lens. In the mechanical design phase, emphasis was placed on weight reduction. Through the systematic elimination of individual components, SIGMA attained the distinction of producing the lightest lens in its class, weighing a mere 745g.
Proud to be a tool of expression, excellent build quality with SIGMA’s Art line specifications
By assembling high-precision parts made of lightweight and strong TSC and other materials, the lens has the high level of rigidity and durability of SIGMA’s Art line specifications without sacrificing portability, as well as excellent build quality that allows for long-lasting and reliable use as a photographic tool.
*TSC (Thermally Stable Composite) is a type of polycarbonate with a thermal expansion rate similar to that of aluminium. It has a high affinity to metal parts, which contributes to high quality product manufacturing.
Various shooting assist functions
The lens is equipped with an AFL button which can be assigned to a range of functions via the menu on selected cameras. In addition to the aperture ring, the lens is equipped with an aperture ring lock switch and a click switch to turn the click on and off.
Dust and splash resistant structure and water and oil repellent coating
In addition to a dust and splash resistant structure, the front element of the lens features a water and oil repellent coating, allowing photographers to shoot without concerns even in harsh outdoor environments.
* The structure is designed to be dust and splash resistant, but not waterproof. Be careful not to bring the lens in contact with a large amount of water. Water inside the lens may cause major damage and even render the lens unrepairable.
Additional features
- Lens construction: 17 elements in 12 groups (4 aspherical elements)
- Inner focus system
- Compatible with high-speed autofocus
- Dual HLA (High-response Linear Actuator)
- Compatible with Lens Aberration Correction
*Function available on supported cameras only. Available corrections and auto correction functionality may vary depending on the camera model.
*On cameras where lens aberration correction is controlled with ‘ON’ or ‘OFF’ in the camera menu, please set all aberration correction functions to ‘ON’ (AUTO).
- Support for DMF, AF + MF
- Super Multi-Layer Coating
- Water and Oil Repellent Coating (front element)
- AFL button
*Only on compatible cameras. Available functions may vary depending on the camera used.
- Focus Mode switch
- Switching between linear and non-linear focus ring settings (L-Mount only)
- Aperture ring
- Aperture ring click switch
- Aperture ring lock switch
- Dust and Splash Resistant Structure
- Petal Type Hood with lock (LH782-03)
- Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only)
- Designed to minimise flare and ghosting
- Every single lens undergoes SIGMA’s proprietary MTF measuring system
- 13-blade rounded diaphragm
- High-precision, durable brass bayonet mount
Lens
Focal Length
50mm
Maximum Aperture
f/1.2
Minimum Aperture
f/16
Camera Mount
Leica L
Minimum Focus Distance
40 cm
Internal Focus
Autofocus
Image Stabilisation
No
Filter Thread
72 mm (Front)
Weight
745 g
What's in the box
- Sigma 50mm f/1.2 DG DN Art Lens for 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 3-Year Warranty
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