Sigma’s new ART lens trio

Sigma’s popular ART lens range has now increased to seven with the launch of an ultra-wide 14mm f/1.8 and 135mm f/1.8 primes and a 24-70mm f/2.8 zoom for full-frame Canon, Nikon and Sigma bodies.

Sigma claims the 14mm optic is the world's first and only F1.8 ultra-wide-angle lens amd has nine rounded aperture blades for smooth out-of-focus rendering. The weather-sealed 24-70mm also has nine rounded aperture blades and image stabilisation. And the 135mm f/1.8 uses an accelerometer to detects the orientation of the lens so the AF system can respond to varying loads on the focusing group due to gravity.

No pricing or availability details have yet been released. Sigma’s official information says:

SIGMA 14mm F1.8 DG HSM 

Introducing the world’s first and only* F1.8 ultra-wide-angle lens. A true high-speed lens that delivers a new dimension of visual experience (*Among interchangeable lens for digital SLRs as of February 2017)

A true high-speed lens that delivers a new dimension of visual experience

In taking photographs of starry skies or other celestial scenes at night, or of the seashore with a wide perspective, a large-diameter lens is a strong ally, since it allows the capture of a moving subject by adjusting shutter speed without relying on ISO sensitivity. With its full-frame 35mm coverage, 14mm focal length for an ultra-wide angle of view, F2 barrier-breaking F1.8, the SIGMA 14mm F1.8 DG HSM | Art is the true high-speed ultra-wide-angle lens for which so many photographers have been waiting. Although some zoom lenses are available that can cover 14mm, the large diameter delivering F1.8 brightness is a singular advantage. Going beyond fast shutter speed, this lens can capture a swarm of fireflies with crystal clarity, a beautiful bokeh effect, and outstanding control of light streaking.

Key features

14mm ultra-wide angle of view and F1.8 brightness deliver a new dimension of visual experience

By leveraging its extreme angle of view and the dramatic perspective this creates, an ultra-wide-angle lens can get up close and personal with a subject while at the same time taking in a vast background—an example of photography going beyond normal human vision.

SIGMA 14mm F1.8 DG HSM | Art combines the extremely deep depth of field that comes from an ultra-wide angle of view with the extremely shallow depth of field that comes from F1.8 brightness. The result is a sharply captured subject set against a vast background dramatically blurred with a beautiful bokeh effect. It is a highly impressive mode of photographic expression that until now simply has not existed.

Minimized chromatic aberrations

Three FLD (“F” Low Dispersion) glass elements and four SLD (Super Low Dispersion) glass elements help minimize transverse chromatic aberration, which tends to be noticeable in shots taken with ultra-wide-angle lenses. The result is outstanding image quality from the center of the image to the edges.

Featuring a large-diameter aspherical lens element

The SIGMA 12-24mmF4 DG HSM | Art was the first SIGMA lens to feature a large ⌀80mm aspherical lens element. Building on the expertise derived from this success, the new lens features a large ⌀80mm precision-molded glass aspherical lens as its front element. This technology has made possible the 14mm F1.8 specification—the first of its kind.

Minimized distortion

Serving as the front lens element, the large ⌀80mm precision-molded glass aspherical lens effectively minimizes distortion. Offering excellent peripheral brightness, this lens delivers outstanding image quality from the center to the edges.

Distinctive bokeh effect

Even at the 14mm ultra-wide-angle of view, F1.8 brightness makes possible a very shallow depth of field with the subject standing out dramatically against a bokeh background. It’s the unique mode of expression that only a large-diameter lens can deliver.

 Seventh 35mm full-frame prime lens to join the Art line

Launched in 2012, the SIGMA 35mm F1.4 DG HSM | Art was the first lens in the Art line. Since then, SIGMA has developed a wide variety of lenses for the line, and the SIGMA 14mm F1.8 DG HSM | Art is the seventh prime lens in the line to offer 35mm full-frame coverage. Now even stronger, the Art line sets the new standard for prime lenses in the ultra-high-megapixel era.

 Other features

Fast AF with full-time manual override

Note: The operation of full-time MF may vary based on mount type

Compatible with Mount Converter MC-11

Available SIGMA USB DOCK

Makes customization and flexible adjustment possible

Available Mount Conversion Service

Allows use with another camera body

Rounded diaphragm

Designed to minimize flare and ghosting

High-precision, durable brass bayonet mount

Evaluation with SIGMA’s own MTF measuring system “A1”

Made in Japan

With outstanding craftsmanship

The lens barrel is engraved with the year of release

 Lens Construction: 16 elements in 11 groups | Minimum aperture (width): F16 | Angle of view (35mm): 114.2° | Minimum focusing distance: 27cm./10.6in. | Dimensions (diameter x length): ø95.4mm x 126mm/9.5in. x 5.0in. | Number of diaphragm blades: 9 (rounded diaphragm) | Maximum magnification ratio: 1:9.8 | Weight: 1,170g/41.3oz.

 SIGMA 24-70mm F2.8 DG OS HSM

 Top-level performance optimized for the era of ultra-high-megapixel cameras. The definitive large-diameter standard zoom lens for any shoot

 What photographers demand from the 24-70mm F2.8 specification is much more than outstanding image quality. They want all the features that make this a go-to lens for a wide range of photographic opportunities, including optical design ideal for the latest ultra-high-megapixel digital cameras, HSM (Hyper-Sonic Motor) for high-speed autofocus, OS (Optical Stabilizer) with powerful stabilization effect, dust- and splash-proof mount with rubber sealing, and a metal barrel for a stable, rigid feel. This all-new 24-70mm F2.8 lens from SIGMA delivers the performance and functionality that help pros succeed in news, nature, and many other fields of photography.

Key features

The large-diameter standard zoom ideal for today’s ultra-high-megapixel digital cameras

Outstanding optical performance

 Three SLD (Special Low Dispersion) glass lens elements and four aspherical lens elements help minimize optical aberrations. To ensure outstanding image quality from the center to the edges of the photograph, the optical system minimizes coma, which causes points of light to streak, and transverse chromatic aberration, which cannot be corrected via aperture control, The optical system also minimizes distortion, which can be particularly evident in wide-angle shots, resulting in excellent optical performance throughout the zoom range.

24-70mm F2.8 lens that meets the high standards of the Art line

 SIGMA has continuously pioneered 24-70mm F2.8 lenses that are a step ahead of the times. The first model of this specification, SIGMA 24-70mm F2.8 EX DG ASPHERICAL DF, launched in 2001. Representing the fourth generation of the family, the new SIGMA 24-70mm F2.8 DG OS HSM | Art accomplishes a challenging feat in optical design: incorporating optical stabilizer functionality in a large-diameter standard zoom. By leveraging all of its design and manufacturing expertise, SIGMA has ensured that this new lens fulfills the uncompromising requirements of the Art line for image and build quality.

Bokeh that is a cut above

At wide-open aperture, this lens offers outstanding photographic expression. The area in focus is extremely sharp, while the background exhibits a beautiful bokeh effect with only slight spherical aberration. Since large-diameter zoom lenses are often used at wide-open aperture, SIGMA has paid close attention to the shape of the bokeh, aiming for perfect circularity.

Incorporating advanced aspherical lens processing technology

Aspherical lenses necessitate refined expertise in the design and manufacturing of advanced, high-performance lenses. SIGMA’s representative products to feature this technology were the SIGMA 12-24mm F4 DG HSM | Art and SIGMA 14mm F1.8 DG HSM | Art, which both incorporated a large ⌀80mm aspherical lens as their front lens element. Building on the success of these predecessors, the SIGMA 24-70mm F2.8 DG OS HSM | Art incorporates an aspherical lens element that helps achieve extremely high resolution. This element is much thicker at the center than the edges, and forming its unusual shape is a feat of manufacturing technology. Moreover, SIGMA processes the surface of this aspherical lens element with ultra-precise tolerances that are measured in hundredths of a micrometer. This extremely fine surface allows the SIGMA 24-70mm F2.8 DG OS HSM | Art to deliver a very natural and smooth bokeh effect, without the visible concentric rings that afflict typical aspherical lens elements.

OS functionality and newly designed HSM for success on any shoot

 Designed for advanced utility in a wide variety of situations, the optical stabilizer OS (Optical Stabilizer) offers a powerful stabilization effect. The newly designed large hypersonic motor HSM(Hyper-Sonic Motor) offers 1.3 times the torque of its predecessor and exceptionally stable performance even at lower speeds.

Lens barrel designed for high rigidity

 Since large-diameter standard zoom lenses tend to serve as a go-to lens and see frequent use, the SIGMA 24-70mm F2.8 DG OS HSM | Art is designed to stand up to the challenging shooting environments that pros encounter. To this end, the lens barrel contains a large amount of metal, while the external moving parts feature TSC (Thermally Stable Composite), which is resistant to thermal expansion and contraction. This structure contributes not only to the outstanding optical performance of the lens but also to its high rigidity and confidence-inspiring build quality.

Other features

Mount with dust- and splash-proof design

Since the area of the lens most vulnerable to dust and other foreign bodies is the mount, rubber sealing * helps provide peace of mind. In addition, the front lens element features a water- and oil-repellent coating that helps the lens perform well in the rain, near water, and in other challenging conditions.

*Except for the SIGMA mount.

Nikon electromagnetic diaphragm mechanism included

The Nikon mount version of this lens includes an electromagnetic diaphragm mechanism that allows it to receive the appropriate signals from the camera body. This feature ensures precision diaphragm control and stable Auto Exposure (AE) performance during continuous shooting.

Note: Functionality may be limited on some camera bodies.

Fast AF with full-time manual focus

Designed to minimize flare and ghosting

High-precision, durable brass bayonet mount

Rounded diaphragm

Evaluation with SIGMA’s own MTF measuring system “A1”

Made in Japan

With outstanding craftsmanship

The lens barrel is engraved with the year of release

Compatible with Mount Converter MC-11

Available SIGMA USB DOCK

Makes customization and flexible adjustment possible

Available Mount Conversion Service

Allows use with another camera body

Lens Construction: 19 elements in 14 groups | Angle of view (35mm): 84.1-34.3° | Number of diaphragm blades: 9 (rounded diaphragm) | Minimum aperture: F22 | Minimum focusing distance: 37cm./15in. | Maximum magnification ratio: 1:4.8 | Dimensions (diameter x length): φ88mm×107.6mm /3.5in. x 4.2in. | Weight: TBD

SIGMA 135mm F1.8 DG HSM 

With F1.8 brightness, this telephoto lens for full-frame cameras further strengthens the Art line’s prime options. 

Introducing the ultimate 135mm telephoto featuring top-level performance

135mm telephoto lenses are often categorized as the foundational telephoto, the first one to add to a lens collection. This focal length delivers a strong perspective compression effect, while the large diameter with F1.8 brightness provides a dramatic bokeh effect. By minimizing axial chromatic aberration, the SIGMA 135mm F1.8 DG HSM | Art makes this bokeh effect not only impressive but also beautiful while delivering superb contrast and sharp image quality in every shot. It offers the outstanding resolution required for 50MP or higher ultra-high-megapixel DSLRs. By incorporating its latest innovations in design and optical glass and rethinking every aspect of the lens, SIGMA has ensured outstanding image quality all the way to the edges, establishing the new standard in 135mm telephoto lenses.

With resolution so crystal-clear that individual hairs can be discerned in a portrait, this large-diameter lens also delivers a beautiful bokeh effect, giving photographers everything they need. It is ideal for close-ups and full-body shots, with subjects standing out against a pleasantly blurred background. In addition to standard portraits, including bridal shots, this lens is a top performer for live events, with its super-fast autofocus capturing subjects with ease.

Key features

The ultimate 135mm telephoto designed to prioritize optical performance

Image quality optimal for ultra-high-megapixel DSLRs

To deliver the ultra-high resolution that brings the best out of 50MP or higher ultra-high-megapixel DSLRs, the focus mechanism features SIGMA’s floating system. No matter what the distance from the subject, this lens offers top performance from the center to the edges of the image. By minimizing distortion as well, the lens delivers impeccable image quality—no need for digital adjustment during image processing.

Ideal for portraits requiring a dramatic bokeh effect

The 135mm focal length delivers a stunning compression effect: even fairly close to the subject, the telephoto ring allows the photographer to establish a variety of dramatic perspectives. The compression effect truly shines in both close-ups and full-length portraits, making composition easy. Moreover, the large diameter with F1.8 brightness makes possible a body shot with an impressive bokeh background. In sum, this lens puts a full menu of compositional options at the photographer’s fingertips.

Fast and nimble autofocus photography

The large hypersonic motor (HSM) offers two benefits. It delivers ample torque to the focusing group for outstanding speed, ensuring exceptionally stable performance even at lower speeds. The acceleration sensor detects the orientation of the lens, allowing the autofocus system to respond to varying loads on the focusing group due to gravity. Along with the optimized AF algorithm, these features deliver fast autofocus photography. In addition, the focus limiter makes AF highly responsive to distance from the subject for even more nimble performance.

Sixth 35mm full-frame prime lens to join the Art line

Launched in 2012, the SIGMA 35mm F1.4 DG HSM | Art was the first lens in the Art line. Since then, SIGMA has developed a wide variety of lenses for the line, and the SIGMA 135mm F1.8 DG HSM|Art is the sixth prime lens in the line to offer 35mm full-frame coverage. Now even stronger, the Art line sets the new standard for prime lenses in the ultra-high-megapixel era.

Other features

 Fast AF with full-time manual override

Note: The operation of full-time MF may vary based on mount type

Compatible with Mount Converter MC-11

Mount with dust- and splash-proof construction

Nikon electromagnetic diaphragm mechanism included

Available SIGMA USB DOCK

Makes customization and flexible adjustment possible

Available Mount Conversion Service

Allows use with another camera body

Rounded diaphragm

Designed to minimize flare and ghosting

High-precision, durable brass bayonet mount

Evaluation with SIGMA’s own MTF measuring system “A1”

Made in Japan

With outstanding craftsmanship

The lens barrel is engraved with the year of release

 Lens Construction: 13 elements in 10 groups | Minimum aperture (width): F16 | Filter size: ø82mm | Angle of view (35mm): 18.2° | Minimum focusing distance: 87.5cm./34.4in. | Dimensions (diameter x length): ø91.4mm x 114.9mm/4.0in. x 4.5in. | Number of diaphragm blades: 9 (rounded diaphragm) | Maximum magnification ratio: 1:5 | Weight: 1,130g/40.2oz.

 For more information about the SIGMA GLOBAL VISION lineup of fine products, please visit the official SIGMA global website:

SIGMA GLOBAL VISION: http://www.sigma-global.com

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