Sigma Announces 50mm F1.4 DG DN Art Lens for Sony E and L-mount

From Sigma Corporation of America:

SIGMA Introduces 50mm F1.4 DG DN | Art for Full-Frame Mirrorless Cameras, Redefining the Standard Art Prime Lens

Ronkonkoma, NY – February 7, 2023 – SIGMA Corporation of America, the US subsidiary of SIGMA Corporation (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi, Kanagawa, Japan) is pleased to announce the SIGMA 50mm F1.4 DG DN | Art lens. Redefining the standard lens in SIGMA's DG DN lineup (DG = full-frame, DN = mirrorless-exclusive), the 50mm F1.4 DG DN | Art expands the impressive line of fast F1.4 aperture primes with professional-level quality that the Art line is renowned for.

While further improving optical performance from the 50mm F1.4 DG HSM | Art, the new SIGMA 50mm F1.4 DG DN | Art achieves the ideal balance of the size, weight, and autofocus performance.

Designed for full-frame mirrorless cameras, this lens features outstanding edge-to-edge imaging performance with a completely new optical formula optimized for the short flange distance of mirrorless systems. Sagittal coma flare has been thoroughly improved, resulting in beautiful, rounded star images and a clean bokeh effect.

Featuring the new HLA autofocus driver (High-response Linear Actuator) first introduced in the 60-600mm DG DN OS | Sports lens, the 50mm F1.4 DG DN | Art achieves swift and silent autofocus, perfect for both still and video capture. With a dust- and splash-resistant build, a manual aperture ring with click and lock switches, an AFL button, and eleven rounded aperture blades for stunning bokeh rendering, this lens is an exceptional choice for all types of photography and video work, in the studio or on location.

The SIGMA 50mm F1.4 DG DN | Art will be available for Sony E-mount and L-Mount cameras at Authorized US Dealers for $849 in late February 2023.

Exclusively designed for full-frame mirrorless cameras

The new standard for artistic expression.

The "Art F1.4" standard with uncompromising optical performance
High-speed AF for nimble and comfortable shooting
High performance, yet slim and compact
Full range of functions and high build quality

Supplied accessories: Case, Petal Type Hood with lock (LH782-02), Front Cap (LCF-72mm III), Rear Cap (LCR II)

Available mounts: L-Mount, Sony E-mount

* The appearance and specifications of the products are subject to change. * Sony E-mount lenses are developed, manufactured and sold in accordance with the E-mount specifications licensed under a license agreement with Sony Corporation. * L-Mount is a registered trademark of Leica Camera AG.

The highest level of expressive performance, high-speed AF, and compactness?all combined in perfection. The new standard for "Art F1.4" large-aperture standard prime.

Designed with a focus on sophisticated optical performance and tremendous expressive power, SIGMA’s Art line delivers high-level artistic quality. The newest addition to the F1.4 series, which has become synonymous with the Art line, is the SIGMA 50mm F1.4 DG DN | Art, a large-aperture standard lens designed exclusively for full-frame mirrorless cameras. While retaining the concept of the original SIGMA 50mm F1.4 DG HSM | Art that defined the reputation of the Art F1.4 series, SIGMA has reexamined from the very beginning what is truly important in a standard lens used in a wide range of shooting situations. By incorporating all the latest technologies, this lens has achieved a high degree of compatibility between the optimum size and high-speed AF required for today's mirrorless systems, while maintaining the highest-class optical performance. In addition to the brightness of the large F1.4 aperture and the large, beautiful bokeh effect, various aberrations have been optimally balanced in pursuit of uniform and balanced image quality throughout the entire image range, from the center to the edges of the frame. The result is the new "Art F1.4 50mm," a lens that is truly all-around capable in terms of expressive performance, maneuverability, and usability, and is designed to help photographers create their best work. Introducing the 50mm F1.4 DG DN | Art, SIGMA's ideal "standard" lens.

[Key Features]

1. The "Art F1.4" standard with uncompromising optical performance

Based on the latest optical design technology, the lens incorporates 14 elements in 11 groups, with 3 aspherical lenses and 1 SLD glass element. The lens effectively suppresses various aberrations such as astigmatism and field curvature, which cannot be corrected in-camera. Despite the large aperture of F1.4, the image performance on the periphery of the image has been optimized, and sagittal coma flare has been minimized to the extent that the lens can withstand even challenging star and night scenes, with demanding severe point light source imaging, from wide open. In addition to clear image quality with no color blur throughout the entire image circle, the large, natural bokeh beauty of F1.4 can be fully utilized in photography.

2. High-speed AF for nimble and comfortable shooting

The SIGMA 50mm F1.4 DG DN | Art is the first in the Art line exclusively designed for full-frame mirrorless cameras to adopt the “HLA” linear motor (High-response Linear Actuator). In addition, by using a single double-sided aspheric lens as the focus element, the lens offers fast and quiet focusing and high tracking performance despite its large aperture. With a maximum aperture of 1.4 and a high-performance AF system, the lens can be used in a variety of situations, including shooting in dark places, shooting moving subjects, snapshots, and even video.

3. High performance, yet slim and compact

The development of the SIGMA 50mm F1.4 DG DN | Art was focused on slimming down the lens barrel by reducing the weight of a focus lens and optimizing the lens unit layout, to pursue the "optimum size" for mirrorless systems without compromising the "maximum emphasis on optical performance" concept of SIGMA’s Art line. This lens has succeeded in achieving both top-class performance, and the size required for a light and mobile photographic tool.

4. Full range of functions and high build quality

The lens barrel is equipped with a Focus Mode switch, an Aperture ring click switch to turn the click on and off, an Aperture ring lock switch to prevent unintended operation, and an AFL button to assign any function from the camera. These features are designed for intuitive operation during shooting. The lens is equipped with a dust and splash resistant structure, and the front element of the lens is applied with a water and oil repellent coating, making it suitable for a wide range of shooting environments. The lens is compact, lightweight, and easy to use, while at the same time ensuring high build quality assured by the Aizu factory's reliable processing technology of "Made in Japan".

DG DN "Art F1.4" series lineup includes 5 lenses from 20mm to 85mm

[Additional Features]

Lens construction: 14 elements in 11 groups (1 SLD and 3 aspherical lenses)
Inner focus system
Compatible with high-speed autofocus
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
Compatible with AF assist (Sony E-mount only)
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
Support for 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 (LH782-02)
Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only)
Designed to minimize flare and ghosting
Every single lens undergoes SIGMA’s proprietary MTF measuring system
11-blade rounded diaphragm
High-precision, durable brass bayonet mount
"Made in Japan" craftsmanship

[Key Specifications]

The figures below are for the L-Mount version:

Lens Construction: 11 groups, 14 elements (1 SLD, 3 aspherical)
Angle of view: 46.8°
Number of diaphragm blades: 11 (rounded diaphragm)
Minimum aperture: F16
Minimum focusing distance: 45cm / 17.8 in.
Maximum magnification ratio: 1:6.8
Filter size: 72mm
Dimensions (Max. Diam. x Length): 78.2 x 109.5mm / 3.1 x 4.3 in.
Weight: 670g / 23.6 oz.

[Product Barcode]

L-Mount: 0085126 315696
Sony E-mount: 0085126 315658

[Accessories: Supplied]

Product Name / Barcode

Petal Type Hood with Lock LH782-02: 0085126 940409
Front Cap LCF-72 III: 0085126 929633
Rear Cap LCR II: (for L-Mount) 0085126 937256
Rear Cap LCR II: (for Sony E-mount) 0085126 929879

[Accessories: Optional]

Product Name / Barcode

SIGMA USB DOCK UD-11 for L-Mount: 0085126 878696
SIGMA WR CERAMIC PROTECTOR 72mm: 0085126 931810
SIGMA WR PROTECTOR 72mm: 0085126 930950
SIGMA PROTECTOR 72mm: 0085126 931087
SIGMA WR UV FILTER 72mm: 0085126 930691
SIGMA WR CIRCULAR PL FILTER 72mm: 0085126 930820

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Announcement Video