Sigma has launched 24mm F/1.4 DG DN ART and 20mm F/1.4 DG DN ART autofocus lenses for Leica L-mount and Sony E-mount cameras.
The two full-frame wide-angle prime lenses joining the 35mm and 85mm ART primes Sigma has previously released and have been designed for low light photography, especially astrophotography, and with mirrorless cameras in mind.
The lens was designed to be popular with wedding photography, street and architectural photography, as well as filmmaking, and vlogging. When shooting video, the aperture ring can be “de-clicked” to reduce the impact of lens noise.
The two lenses offer improved edge-to-edge sharpness, optical clarity, and minimal distortion, especially in low-light situations.
The manual focus lock allows users to set the focus manually and then lock it in place for long-duration shooting like time lapses or long-duration exposures like night or astrophotography.
Both lenses have 17 glass elements arranged in 15 groups (14 groups for the 20mm), with two special low dispersion elements, three aspherical glass elements, and the largest double-sided aspherical glass element SIGMA has ever used in a lens design.
The result is suppression of optical lens aberration and image distortion, with sharpness and accuracy from the center out to the entire frame.
The aperture range of both lenses is f/1.4 to f/16 with a minimum focusing distance of just under ten inches (.25m) for the 24mm, and 9.6” (.23m) for the 20mm.
The lenses weigh 1.15 pounds (520g) for the 24mm and 1.4 pounds (635g). Length and diameter are 4.38 inches (111mm) and 3.46 inches (88mm) for the 20mm, and 2.98 inches (76mm) and 3.76 inches (96mm) respectively.
Both lenses also have a dust and splash resistant construction with a water and oil repellant coating on the front glass elements which provides peace of mind during long nights outdoors.
The body is built from a combination of aircraft-grade aluminum and a thermally stable composite, offering a consistent black finish, and a petal-shaped lens hood that can be locked into place so it doesn’t come off with a gentle nudge.
The lenses also have a rubberized grip and comfortable ergonomics to hold for long periods of shooting, and a lens heater retainer that keeps the accessory firmly in place.
With dual filter placement, both in front and behind, users can modify light passing through the lens with minimal distortion and flaring.
The retail price of the new SIGMA 20mm F1.4 DG DN | Art lens is $899, while the retail price of the SIGMA 24mm F1.4 DG DN | Art lens is $799. Both are available for Leica L-Mount and Sony E-Mount cameras. They will be shipping in late August.
Sigma 20mm f/1.4 DG DN Art Lens for Leica L-Mount (B&H)
Sigma 20mm f/1.4 DG DN Art Lens for Sony E-Mount (B&H)
Sigma 24mm f/1.4 DG DN Art Lens for Leica L-Mount (B&H)
Sigma 24mm f/1.4 DG DN Art Lens for Sony E-Mount (B&H)
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