Sigma reveals 20mm F1.4 DG DN lens for L-mount and E-mount: Digital Images Overview


Sigma has introduced the 20mm F1.4 DG DN lens for L-mount and Sony E-mount cameras. This new lens is a mirrorless successor to the corporate’s 20mm F1.4 DG HSM lens for DSLR digital camera techniques and brings a set of distinctive options that make it a very intriguing providing for astro and panorama pictures.

The lens is constructed of 17 parts in 15 teams, together with two Tremendous-Low Dispersion (SLD) parts and three aspherical parts. Included in these specialised component is a pair of double-sided aspherical parts, which the corporate says contributes to the ‘excellent optical efficiency’ throughout your complete body.

Different optical options contains Sigma’s Nano Porous Coating (NPC), in addition to a water- and oil-repellent coating, though it’s not specified which parts these coatings have been utilized to (presumably the front-most component). This lens’ optical development is notably completely different from its DSLR counterpart, which is constructed of 15 parts in 11 teams.

The 20mm F1.4 DG DN lens makes use of an 11-blade rounded aperture diaphragm, an aperture vary of F1.4 by way of to F16, has a minimal focusing distance of 23cm (9.1″) and makes use of an 82mm entrance filter thread.

The inner autofocus system is pushed through a stepping motor and Sigma says the lens is absolutely appropriate with Sony’s AF help features. Along with the bodily focus ring, there’s a bodily aperture ring that may be clicked or de-clicked with a devoted change.

Different options embody a spotlight mode change, a rear filter holder and a brand new Handbook Focus Lock (MFL) change for disabling the main focus ring. With astrophotography in thoughts Sigma has additionally included, for the primary time ever, a Lens Heater Retainer, for customers attempting to keep away from condensation when working in chilly situations. The retainer is a curved lip on the entrance of the lens designed to maintain lens heaters from sliding in entrance of the lens.

The physique of the lens is created from a mixture of aluminum and Thermally Steady Composite (TSC). Sigma says the lens is ‘dust- and splash-resistant.’

Between the rear filter holder, the Lens Heater Retainer, the Handbook Focus Lock change and the distinctive composite used within the physique of the lens, it’s clear this lens is designed with astrophotography in thoughts.

The E-mount model of the lens measures 87.8mm (3.5″) in diameter by 113.2mm in size (4.5″) and weighs 630g (22.2oz). The L-mount model is barely shorter, however weighs a further 5G (0.2oz). Every lens comes with a petal-type lens hood, entrance and rear lens caps, and a information plate.

The Sigma 20mm F1.4 DG DN lens will probably be out there to buy in ‘late August 2022 for $899.

SIGMA Declares 20mm F1.4 DG DN | Artwork, the World’s First and Solely 20mm F1.4 Lens Designed Completely for Mirrorless

Ronkonkoma, NY – August 8, 2022 – SIGMA Company of America, the US subsidiary of SIGMA Company (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi, Kanagawa, Japan) is happy to announce the upcoming launch of the 20mm F1.4 DG DN | Artwork, a full-frame, wide-angle prime lens designed completely for mirrorless cameras. It’s the first and solely lens of this specification, becoming a member of its predecessor – the 20mm F1.4 DG HSM | Artwork – as the one 20mm F1.4 lenses out there for full-frame platforms.

With very good optical readability from nook to nook, excellent construct high quality with a mud and splash-resistant construction, and new particulars that think about the wants of discerning customers, the brand new SIGMA 20mm F1.4 DG DN | Artwork is optimized for astrophotography, whereas providing efficiency that makes it a superb alternative for anybody in search of a high-quality, wide-angle prime lens.

Along with its spectacular imaging capabilities and premium Artwork line options, the 20mm F1.4 DG DN | Artwork introduces a Handbook Focus Lock, which permits the consumer to set focus manually and lock it in place, particularly helpful for time-lapse capturing or lengthy exposures. A brand new Lens Heater Retainer retains this convenient astrophotography climate accent firmly in place whereas in use. A Rear Filter Holder offers a possibility to make use of rear-mounted filters for varied results with out inflicting distortion or vignetting. And a handy entrance filter thread permits customers to additionally make the most of generally out there 82mm filters.

The 20mm F1.4 joins the brand new 24mm F1.4 DG DN and the present 35mm and 85mm F1.4 DG DN primes designed for full-frame mirrorless cameras.

The brand new SIGMA 20mm F1.4 DG DN | Artwork lens will probably be out there for each Sony E-mount and L-Mount techniques within the U.S. at SIGMA Approved Sellers for a retail value of $899 in late August 2022.

Be taught extra in regards to the SIGMA 20mm F1.4 DG DN | Artwork:

The F1.4 sequence represents the SIGMA Artwork line, which pursues the very best optical efficiency and wealthy expression. The total-frame SIGMA 20mm F1.4 DG DN | Artwork is a mirrorless model of the SIGMA 20mm F1.4 DG HSM | Artwork; the one and solely lens* with its distinctive specification of most aperture of 1.4 and an ultra-wide angle of 20mm. This lens gives overwhelming optical efficiency and limitless potential for extremely wide-angle creativity at a compact bodily measurement. The distinctive F1.4 brightness and the breathtaking sharpness throughout your complete picture even at most aperture make this lens the last word alternative for astrophotography. In nightly darkness and centered to infinity, the 20mm F1.4 DG DN | Artwork captures stars within the sky as clear, exact pinpoints of sunshine. State-of-the-art optical design and the massive, high-precision double-sided aspheric glass entrance component made it attainable so as to add a entrance filter thread with none compromises concerning optical efficiency or measurement. The addition of different invaluable options resembling a rear filter holder and a wide range of helpful switches additional will increase the inventive prospects and simple usability of the lens. Its unbelievable sharpness and really vivid aperture, coupled with the compact physique and considerate options, make the SIGMA 20mm F1.4 DG DN | Artwork the last word lens for astrophotography and a super companion for any photographically demanding scenario.

* As an AF interchangeable lens for mirrorless cameras that covers 35mm full-frame (as of August 2022, by SIGMA)

Key Options

1. Highest optical efficiency on a brand new stage

The SIGMA 20mm F1.4 DG DN | Artwork delivers exceptionally detailed outcomes that simply fulfill the excessive calls for {of professional} pictures and different high-end functions. With 17 glass parts organized in 15 teams, together with two SLD, three aspherical glass parts and the most important class double-sided aspherical glass component in SIGMA’s historical past, the 20mm F1.4 DG DN | Artwork rigorously suppresses varied optical aberrations resembling sagittal coma flare or picture distortion to supply highly-detailed photos with distinctive sharpness and accuracy from the middle to the furthest corners, permitting photographers to utilize your complete subject of view afforded by its ultra-wide viewing angle. This final astrophotography lens is the end result of the unparalleled manufacturing expertise of SIGMA’s sole manufacturing base in Aizu, Japan, in addition to the corporate’s know-how and expertise with large-aperture wide-angle lenses, such because the SIGMA 20mm F1.4 DG HSM | Artwork, the SIGMA 14mm F1.8 DG HSM | Artwork and the SIGMA 14-24mm F2.8 DG DN | Artwork.

2. Designed for good outcomes even in essentially the most demanding situations

SIGMA’s excellent design and high-precision manufacturing capabilities made it attainable to equip the SIGMA 20mm F1.4 DG DN | Artwork with a entrance filter thread regardless of its very giant F1.4 aperture and 20mm ultra-wide viewing angle. The lens additionally comes with a rear filter holder, permitting photographers the liberty to mix a number of filters to swimsuit an enormous number of capturing conditions for near-unlimited inventive potential at an ultra-wide viewing angle — for instance, utilizing a entrance filter to scale back mild air pollution and a softening filter on the rear to take spectacular images of nightly landscapes with star-filled skies. The brand new MFL (Handbook Focus Lock) change to show off the main focus ring makes it simpler to focus on the shoot with out worrying about by chance altering the focusing distance. Additional, the lens additionally equips a lens heater retainer, which means that lens heaters used to forestall inner condensation because the temperature drops on longer night time shoots will keep securely hooked up to the barrel with out protruding into the picture and inflicting ugly vignetting. With its sensible optical energy and its full vary of helpful options regardless of its compact and light-weight physique, the SIGMA 20mm F1.4 DG DN | Artwork is the last word alternative when photographing the night time sky.

3. Excellent construct high quality and usefulness, uncompromising consideration to element

Its dust- and splash-resistant construction*1 and the water- and oil-repellent coating on the entrance glass component make the SIGMA 20mm F1.4 DG DN | Artwork secure to make use of throughout longer out of doors shoots, particularly throughout the night time. Considerate options resembling a spotlight mode change, a customizable AFL*2 button, and an aperture ring lock change improve the lens usability. An aperture ring click on change can be utilized to show the aperture ring click on on and off, permitting photographers to benefit from the sound and really feel of the press, in addition to clean aperture operation throughout video recording. The sturdy physique is constructed from a mixture of aluminum and Thermally Steady Composite (TSC), giving it a modern end, and the included petal-shaped lens hood is supplied with a lock mechanism to maintain the hood securely mounted to the lens, and the rubberized grip space makes attaching and eradicating the hood a fast and simple course of. Manufactured in Japan with an uncompromising method in the direction of each single element, the SIGMA 20mm F1.4 DG DN | Artwork gives photographers an distinctive expertise with high-end outcomes even in essentially the most tough situations, due to its excellent optical efficiency, distinctive construct high quality good for skilled use, sensible and exact ergonomics, and a spread of helpful options.

*1 Though this development permits the lens for use in mild rain, it isn’t the identical as being waterproof.
*2 Solely on appropriate cameras. Obtainable features might range relying on the digital camera used.

Principal specs
Lens sort Prime lens
Focal size 20 mm
Lens mount L-Mount, Sony E
Most aperture F1.4
Minimal aperture F16
Aperture ring Sure
Variety of diaphragm blades 11
Aperture notes Rounded
Parts 17
Teams 15
Particular parts / coatings Two Tremendous-Low Dispersion parts, three aspherical parts, Tremendous Multi-Layer coating, and water- and oil-resistant coating.
Minimal focus 0.23 m (9.06)
Autofocus Sure
Motor sort Stepper motor
Full time handbook Sure
Focus methodology Inside
Distance scale No
DoF scale No
Weight 635 g (1.40 lb)
Diameter 88 mm (3.46)
Size 111 mm (4.38)
Supplies Aluminum, Thermally Steady Composite (TSC)
Sealing Sure
Color Black
Filter thread 82 mm
Filter notes Rear filter holder + entrance thread
Hood provided Sure
Hood product code LH898-04
Tripod collar No