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ART 14mm F1.4 DG DN

AED 5120

Mounts

  • World’s first 14mm F1.4 lens
  • Outstanding optical performance
  • Dust and splash resistant structure
  • Responsive, quiet autofocus
  • Manual Focus Lock switch
  • Lens Heater Retainer
  • Locking front cap with filter storage slots
  • Rear Filter Holder
  • Removable tripod socket
  • Aperture ring with de-click function
  • Compatible with Lens Aberration Correction

awards

PetaPixel Prime Lens of the Year

2023

Lucie Technical Award - Best Wide-Angle Prime Lens

2023

DPReview Best Prime Lens of the Year

2023

Hot Ones

2024

Lens Construction

19 elements in 15 groups (3 FLD, 1 SLD, and 4 aspherical elements)

Edition Number

A023

Sensor Size

Full Frame

Angle Of View

114.2°

Number of Diaphragm Blades

11 (rounded diaphragm)

Minimum Aperture

F16

Minimum Focusing Distance

30cm / 11.9 in.

Maximum Magnification Ratio

1:11.9

Filter Size

Rear (gelatin filter)

Dimensions

L-Mount: 101.4mm x 149.9mm / 4.0 in. x 5.9 in. Sony E-mount: 101.4mm x 151.9mm / 4.0 in. x 6.0 in.

Weight

L-Mount: 1,170g / 41.3 oz. Sony E-mount: 1,160g / 40.9 oz.

Filter diameter

Ultra wide-angle 14mm with a maximum aperture of F1.4 and outstanding optical performance

This world-first performance was achieved by applying the best of Sigma’s optical technologies, from the design to the lens manufacturing process. 19 elements in 15 groups, including 1 SLD glass element, 3 FLD glass elements, and 4 aspherical lens elements, make up a luxurious lens configuration. This allows for advanced aberration correction and a high degree of precision in the lens construction. This allows both advanced aberration correction and F1.4 brightness. In particular, sagittal coma flare, which distorts the shape of stars, has been carefully corrected, and even at the widest aperture, the lens delivers high image reproducibility right to the periphery of the image. Ghosting and flare are also thoroughly addressed through both optical design and coatings. This allows for clear, crisp shooting of starry sky and night scenes. Optimized for starscapes, which require extremely high performance, this lens delivers images that exceed expectations in any scene, including landscapes, architecture snapshots, portraits, and indoor photography.

Abundant functions and accessories to support starscape photography

The 14mm F1.4 DG DN | Art is equipped with a wealth of features to support starscape photography. This fully backs up the fun of starscape photography.

Tripod Socket

Includes a detachable tripod socket compatible with Arca-Swiss type. As the 14mm F1.4 DG DN | Art is heavier on the front side, attaching the tripod socket helps it mount on a tripod in a more stable way. The shape is designed to prevent interference even when using the lens heater.

MFL (Manual Focus Lock) Switch

When the MFL switch is set to “LOCK”, the focus ring operation will be disabled. It prevents focus shift caused by unintentional operation of the focus ring. This is useful for long time exposure photography, etc., where the focus should be fixed.

Lens Heater Retainer

A lip at the front of the lens prevents the lens heater* from protruding into the front of the lens and causing vignetting on the periphery of the screen. *A belt-shaped heater that is wrapped around the lens to prevent condensation from forming inside the lens when the temperature drops. *Lens heater is not included.

Rear Filter Holder

A rear filter holder is provided as standard equipment at the lens mount for attaching a sheet-type rear filter. A lock mechanism is also provided to prevent the filter from falling out.

Special front cap with locking mechanism and filter slots

Includes a cover-type front cap with locking mechanism. It also has newly developed filter slots that can hold two rear filters depending on the application. The cap is specially designed for the 14mm F1.4 DG DN | Art to protect the sheet filters from scratches and dirt while ensuring that they are not mistakenly taken out or forgotten.

Signature Art line features and high build quality

In addition to functions specifically designed for shooting starscapes, the lens is equipped with various functions to assist in shooting, including an AFL button to which any function can be assigned and an aperture ring. The body is dust and splash resistant, and the frontmost surface of the lens is coated with a water and oil repellent coating, so you can shoot outdoors in harsh environments with peace of mind. The HLA (High-response Linear Actuator) enables high-speed, quiet, and highly accurate autofocusing. In order to maintain performance while supporting a lens with a large aperture, the lens has a robust internal structure and uses lightweight materials such as polycarbonate TSC (Thermally Stable Composite), which has a thermal shrinkage rate equivalent to that of aluminum, and magnesium in appropriate locations to reduce weight while ensuring robustness. The lens body is built with the high build quality of the Art line specifications, allowing the user to fully enjoy the unique performance of the lens in any environment, including shooting starscapes.

Lens Construction

FLD Glass

SLD Glass

Aspherical Lens

MTF CHART

The MTF (Modulation Transfer Function) is one of the measurements for evaluating a lens' performance, and it shows how faithfully the contrast of the subject can be reproduced on the image plane. The horizontal axis shows the image height (distance from the center of the image in mm) and the vertical axis shows the contrast value (maximum value is 1). The closer the 10 line pairs/mm curve is to 1, the higher the contrast and clarity of the lens is, and similarly, the closer the 30 line pairs/mm curve is to 1, the better the resolution and sharpness of the lens is. *The MTF chart depicts the result at the wide-open aperture. *For mirrorless lenses that support distortion correction, the horizontal axis shows the image height equivalent to when an L-Mount lens is attached to a Sigma L-Mount camera with distortion correction applied. (The effect of distortion correction may differ depending on the mount and camera used.) *The spatial frequency indicates the variation on the image plane before distortion correction is performed

Spatial Frequency

S: Sagittal Line

M: Meridional Line

10lp/mm

reddesh

30lp/mm

bluesolid
bluedash

GEOMETRICAL MTF

DIFFRACTION MTF

Inner focus system

To increase stability, this lens configuration uses movable internal lens elements that adjust focus without changing the length of the lens barrel.

Compatible with Lens Aberration Correction

Matching the optical characteristics of the lens, this function performs in-camera corrections of peripheral illumination, chromatic aberrations, distortion, and more, to further enhance image quality. *Function available on supported cameras only. Available corrections or 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).

HLA (High-response Linear Actuator)

HLA is SIGMA's proprietary linear motor. It drives the focus lens directly without going through gears or other mechanical parts, resulting in quiet, high-precision autofocusing.

Super Multi-Layer Coating

SIGMA's own Super Multi-Layer Coating suppresses flare and ghosting by preventing reflections with in the lens. All lenses in the current SIGMA range feature this original technology. In digital cameras, flare and ghosting may also be caused by reflections between the image sensor and lens surfaces. Here too, SIGMA's Super Multi-Layer Coating is highly effective, assuring images of outstanding contrast.

Water and oil repellent coating

Incorporates a water and oil-repellent coating that allows water to be wiped away easily and prevents oil and fat from sticking to the surface, even in challenging shooting conditions. At the same time, the maintenance of the lens surface becomes easier.

Aperture ring

Aperture ring, designed to help users work intuitively.

Aperture ring click switch

Offers a de-click function for removing clicks by the aperture ring click switch, enabling seamless operations that are especially useful such as during video shooting.

Aperture ring lock switch

A ring lock system to prevent from unintended movement of the aperture ring during shooting.

AFL button

The AFL button can be assigned with various functions widens the range of operations available on the lens.

MFL switch

The MFL (Manual Focus Lock) switch disengages the focus ring on the lens. After manually focusing the lens to the desired position, set the MFL switch to 'LOCK' in order to disengage the focus ring. This prevents the focus of the lens from being moved by accident (such as when attaching a lens heater or changing the composition) and causing out of focus images. The focus ring can still be rotated but will have no effect.

COMPATIBLE ACCESSORIES

Li-ion Battery Pack BP-81

AED 360

USB DOCK (UD-01 / UD-11)

AED 185

Mount Converter MC-21

AED 800

Mount Converter MC-11

AED 800

2X Teleconverter TC-2011

AED 1490

1.4X Teleconverter TC-1411

AED 1385

Li-ion Battery Pack BP-81

AED 360

USB DOCK (UD-01 / UD-11)

AED 185

Mount Converter MC-21

AED 800

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