Sigma 20mm F1.4 and 24mm F1.4 DG DN Art Lenses for Full-Frame...

Sigma 20mm F1.4 and 24mm F1.4 DG DN Art Lenses for Full-Frame Mirrorless

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Sigma 20mm f/1.4 DG DN | Art

Ronkonkoma, NY—Sigma Corporation of America introduced the Sigma 20mm F1.4 DG DN | Art and the 24mm f/1.4 DG DN Art lenses. Both lenses are exclusively for mirrorless full-frame camera systems. They are offered in Sony E-mount and Leica L-mount versions.

Moreover, Sigma says the Sigma 20mm f/1.4 DG DN Art is the “first and only lens of this specification, joining its predecessor—the 20mm f/1.4 DG HSM Art—as the only 20mm f/1.4 lenses available for full-frame platforms.”

“With superb optical clarity from corner to corner; outstanding build quality with a dust- and splash-resistant structure; as well as new details that consider the needs of discerning users, the new Sigma 20mm f/1.4 DG DN Art is optimized for astrophotography, while offering performance that makes it an excellent choice for anyone looking for a high-quality, wide-angle prime lens,” the company added.

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Sigma 20mm f/1.4 DG DN Art

Sigma 20mm F1.4 DG DN Art Features

In addition to its premium Art line features, the 20mm f/1.4 DG DN Art introduces a manual focus lock (MFL). It allows users to set focus manually and lock it in place—especially useful for time-lapse shooting or long exposures. The MFL switch, which turns off the focus ring, makes it easier to concentrate on the shoot without worrying about accidentally changing the focusing distance.

Furthermore, a lens heater retainer keeps the useful astrophotography weather accessory in place. With the retainer, the lens heaters that prevents internal condensation as the temperature drops on night shoots stays securely attached to the barrel without protruding into the image.

Moreover, the compact lens’s rear filter holder enables the use of rear-mounted filters for various effects without distortion or vignetting. As a result, photographers can combine multiple filters. For example, they can use a front filter to reduce light pollution and a softening filter on the rear to take photographs of nightly landscapes with star-filled skies.

In addition, its f/1.4 brightness and sharpness across the image, even at maximum aperture, make the lens a choice for astrophotography. In darkness and focused to infinity, the 20mm lens captures stars as precise pinpoints of light.

Moreover, its optical design and large, double-sided aspheric glass front element made it possible to add a front filter thread without compromising performance or size. Consequently, photographers can utilize 82mm filters.

The lens is constructed with 17 glass elements in 15 groups. They include two SLD; three aspherical glass elements; as well as the largest class double-sided aspherical glass element in Sigma’s history.

As a result, the lens suppresses aberrations like sagittal coma flare or distortion, producing detailed images with sharpness from the center to the corners. This permits photographers to make use of the entire ultrawide field of view.

Additional Features

What’s more, its dust- and splash-resistant structure as well as a water- and oil-repellent coating on the front glass element make the 20mm f/1.4 DG DN Art safe to use during longer outdoor shoots, especially at night.

Other features include a 9.1-inch minimum focusing distance; an 11-blade rounded diaphragm; an inner focus system; a focus mode switch; a customizable AFL button; a stepping motor; and an aperture ring lock switch.

Moreover, an aperture ring click switch turns the aperture ring click on and off. This permits photographers to enjoy the sound and feel of the click, as well as smooth aperture operation during video recording.

Finally, the body is built from a combination of aluminum and Thermally Stable Composite (TSC). And the included petal-shaped lens hood has a lock mechanism to keep the hood securely fastened, while a rubberized grip area makes attaching and removing the hood easier.

The Sigma 20mm f/1.4 DG DN Art lens in both E and L mounts has a suggested retail price of $899. It comes with a case, a petal-type lens hood with lock, front and rear caps as well as a guide plate.

Sigma 24mm f/1.4 DG DN Art

This full-frame, wide-angle prime for mirrorless cameras builds on the legacy of its versatile predecessor. However, it offers improved sharpness from edge-to-edge and enhanced portability. In addition, it has new, useful features characteristic of Sigma’s DG DN Art line, such as a manual aperture ring that users can de-click for video.

Portable and dust and splash-resistant, it is a solution for landscape, astro, architectural, street and wedding photographers, as well as filmmakers and vloggers.

It also employs the new MFL, a front filter thread and a rear filter holder. With a wide viewing angle and astrophotography-level optical performance, it is compact for an f/1.4 large-aperture, wide-angle lens.

Moreover, its dedicated mirrorless optical design and the use of each glass element and optimal part result in suppression of optical aberrations, such as sagittal coma flare that can’t be corrected by the camera.

It is constructed of 17 elements in 14 groups, including two FLD (fluorite equivalent), one SLD and four aspherical glass elements. Further, its optical design and the use of super multilayer coating and nano porous coating (NPC) minimize ghosting and flares.

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Sigma 24mm f/1.4 DG DN  Art

The wide viewing angle of its 24mm focal length also makes it easy to get everything in the shot without losing focus of the subject; this is ideal for single or group portraits as well as documentary photography.

Additional Features

Other features include an inner focus system; an 11-blade aperture; a 9.9-inch minimum focusing distance; a water/oil-repellent coating on the front element to keep the lens safe during shoots in harsh environments; a focus mode switch; a freely configurable AFL button; an aperture ring lock switch to prevent accidental changes; fast, silent autofocus driven by a stepping motor; and an aperture ring click switch that allows for smooth aperture control.

In addition, the lens is compatible with lens aberration correction and supports DMF and AF+MF. It also works with the Sigma USB Dock UD-11 (sold separately, L mount only).

The Sigma 24mm f/1.4 DG DN Art lens also comes with a case, a petal-type lens hood, front and rear caps, as well as a guide plate. Both the E- and L-mount versions have an SRP of $799.

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