Sigma 50mm f1.4 DG DN Art - L-Mount Lens

SigmaSKU: 0085126315696

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Product Description

Sigma 50mm F1.4 DG DN Art - L-Mount

  • Internal focus system
  • Compatible with high-speed autofocus
  • HLA (High-response Linear Actuator) AF motor
  • Compatible with Lens Aberration Correction
  • Support for DMF and AF+MF
  • Compatible with AF Assist (Sony E-mount only)
  • Super Multi-Layer Coating
  • Water- and oil-repellent coating (front element)
  • AFL Button

The all-new 50mm F1.4 DG DN | Art is the latest lens to join Sigma’s growing line-up of fast-aperture DG DN Art primes. Designed specifically for mirrorless cameras, and available in L-Mount and Sony E-mount, it offers even better optical performance than Sigma’s existing 50mm F1.4 DG HSM, as well as faster and more precise AF, a smaller and lighter body, an aperture ring and AFL button, and smoother bokeh. The result is a true all-round optic that is ideal for portrait, wedding, street, landscape and family photography, and an excellent option for video. It delivers exceptional expressive performance to help photographers achieve striking and characterful images that display remarkable detail.

Outstanding optical performance Building on the reputation of the existing SIGMA 50mm F1.4 DG HSM Art as one of the highest-performing standard zooms on the market, this new mirrorless optic delivers even sharper results across the frame, particularly towards the periphery. Employing the latest optical design technology, the lens is constructed of 14 elements in 11 groups, including one SLD (Special Low Dispersion) element and three aspherical elements. It delivers significant improvements to sagittal coma flare and effectively suppresses various aberrations such as astigmatism and field curvature, which cannot be corrected digitally.

This new standard prime boasts an ultra-wide aperture of F1.4, making it ideal for low-light photography such as concerts, interiors and weddings. It also delivers a very shallow depth-of-field for background blur, which is perfect for creating stand-out portraits. The bokeh is smooth and attractive, and thanks to the lens’s 11 diaphragm blades, the out-of-focus highlights are nicely rounded. Even when working wide-open at F1.4, photographers can be assured of razor-sharp edge-to-edge results.

All-new ultra-fast AF motor The SIGMA 50mm F1.4 DG DN Art is the first DG DN lens in the Art line to incorporate Sigma’s new HLA (High response Linear Actuator) autofocus motor technology. This ensures fast, accurate and near-silent focusing, and despite its ultra-wide aperture, exceptionally fast tracking performance. Owing to the power of the new HLA motor, Sigma engineers were able to use a single double-sided aspherical element as the focusing lens – a stark contrast to the eight-element focusing group on Sigma’s existing 50mm F1.4 DG HSM Art. This has delivered both autofocus and optical design benefits.

Robust but compact design Throughout the development of the SIGMA 50mm F1.4 DG DN Art every effort was made to slim down the lens barrel by reducing the weight of the focus lens and optimising the lens unit layout. This allowed Sigma to create a light and compact lens that feels well-balanced on a full-frame mirrorless camera without compromising on optical performance. The lens’s build quality is superb, and meets the very high standards you would expect from a Sigma Art line lens. With a dust- and splash-resistant structure, a rubber seal around the mount, and a water- and oil-repellent coating on the front-element, the 50mm F1.4 DG DN Art is suitable for use in difficult shooting conditions.

The outer barrel is constructed of TSC (Thermally Stable Composite), which has a similar thermal expansion rate to aluminium. This means the metal inner barrel and the TSC outer barrel behave in a similar way as temperatures change, ensuring a consistent performance in all environments. Both materials are very light, with the lens weighing just 670g (L-Mount version).

As with all Sigma lenses, the 50mm F1.4 DG DN Art is crafted using cutting-edge manufacturing technology at Sigma’s sole factory in Aizu in Japan. Every single lens is evaluated with Sigma’s proprietary MTF measuring system before leaving the factory, ensuring consistently excellent products that photographers can rely on.

Advanced feature-set designed for professional use The lens barrel is equipped with a range of useful functions. As well as a manual aperture ring, the lens has an Aperture Ring Click switch, which allows users to switch between stepped, third-stop aperture increments and a smooth, click-free action. This is particularly useful for videographers who may want to use the aperture to adjust exposure seamlessly while filming. The aperture ring can be locked with lock switch.

The lens has an AFL button, which can be customised to perform a range of different functions (depending on camera model).

Also on the lens barrel is an Focus Mode switch, a rubberised focus ring with a smooth, fluid-like movement, and a robust, petal-type lens hood with lock button. The hood also has a rubberised grip for easy attachment and removal.

For L-Mount users, the 50mm F1.4 DG DN Art can be connected to Sigma’s USB Dock for customisation and adjustment, including switching between linear and non-linear focus ring movement.

 
Аnglе Оf Vіеw 46.8°
Ареrturе Вlаdеѕ 11
Аutоfосuѕ Моtоr

Ніgh-rеѕроnѕе Lіnеаr Асtuаtоr

Fіltеr Тhrеаd [mm] 72
Fосаl Lеngth ~ Теlе [mm] 50
Fосаl Lеngth ~ Wіdе [mm] 50
Fосuѕ Месhаnіѕm

Іntеrnаl fосuѕ ѕуѕtеm

Нооd Моdеl LН782-02
Іnсludеd Ассеѕѕоrіеѕ

Саѕе, Реtаl Туре Нооd wіth lосk (LН782-02), Frоnt Сар (LСF-72 ІІІ), Rеаr Сар (LСR ІІ)

Lеnѕ Еlеmеntѕ 14
Lеnѕ Grоuрѕ 11
Lеnѕ Моunt L-Моunt
Мах Ареrturе ~ Теlе 1.4
Мах Ареrturе ~ Wіdе 1.4
Міnіmum Ареrturе f16
Міnіmum Fосuѕ Dіѕtаnсе [m] 0.45
Ѕеnѕоr Fоrmаt Full frаmе
Ѕіzе

78.2mm (D) х 109.5mm (L)

Wеіght [g] 670

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Understanding: Aperture

Aperture is the opening in a camera lens that controls how much light enters the camera. It's measured in f-stops like f/2.8 or f/8. Lower f-stop numbers mean wider openings, letting in more light and creating a shallow depth of field (blurry background). Higher f-stop numbers mean smaller openings, letting in less light and creating a larger depth of field (more of the scene in focus). Aperture also affects the quality of out-of-focus areas in the image (bokeh).

Understanding: Lens Types

Different lenses have different purposes to achieve different styles of images, some popular ones include:
Prime Lens: Fixed focal length, sharp images, great for portraits and dark settings.
Zoom Lens: Variable focal length, versatile for different shots and everyday use..
Wide-Angle Lens: Captures wide scenes like landscapes.
Telephoto Lens: Magnifies distant subjects, ideal for sports & wildlife.
Macro Lens: Perfect for close-up photography of small subjects.
Fisheye Lens: Ultra-wide perspective, creates unique images.

Understanding: Lens Mounts

Different camera brands use different lens mounts, which are like connectors that attach lenses to camera bodies. Each mount is specific to a particular brand and camera series. For example, Canon uses the EF and RF mounts, Nikon uses the F mount, Sony uses the E mount for its mirrorless cameras. These mounts dictate which lenses are compatible with which cameras. Some brands offer adapters to use lenses from other systems, but it's essential to ensure compatibility for proper functionality and autofocus performance.

Understanding: Manual and Autofocus

Manual focus and autofocus are two ways to adjust the sharpness of a camera lens. With manual focus, you turn a ring on the lens to bring the subject into focus yourself, giving you full control over what appears sharp in the image. Autofocus, on the other hand, relies on the camera's built-in technology to automatically adjust the focus for you, usually by detecting contrast or phase differences in the scene. Autofocus can be convenient, especially for fast-moving subjects or when you need to capture a quick shot, whereas manual focus allows for precise adjustments and creative control over the final image.

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