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19mm F2.8 EX DN ART Lens for Sony (Black)
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Sigma 19mm F2.8 EX DN ART Lens for Sony (Black)

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Condition: Brand new, USA Warranty
Sigma's innovation - renewed! The DN series of lenses for mirrorless interchangeable lens cameras. A fully updated lineup offering outstanding power of expression.
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Superior optical performance and functionality. Sigma's original innovation is now more polished and refined than ever before.

Mirrorless interchangeable lens cameras (MILCs) are popular because of their compact bodies, ease of operation and portability. Featuring superior optical performance and functionality that responds to the requirements of the photographer, the DN series of lenses for mirrorless interchangeable lens cameras offers Sigma's original innovation in a form that is more polished and refined than ever before. Exemplifying the characteristics of the Art line, the new members of the DN series are a standard lens, a wide-angle lens and a mid-range telephoto lens that is a completely new entry in the series. These lenses represent a new world of possibilities, helping photographers find the deeper essence of their art and increase their opportunities to express themselves.

The full realization of the Art product concept for you to hold in your own hands and appreciate with your own eyes.

Designed with a focus on sophisticated optical performance and tremendous expressive power, our new Art line of lenses delivers top-level image quality. With unsurpassed expressive performance, these lenses reach the high standards demanded by photographers with an artistic, creative inclination. Along with landscapes, portraits, still-life, close-up and casual snaps, they're perfect for the kind of photography that unleashes the inner artist. Ideal for studio photography, they offer just as much expressive scope when capturing architecture, starry skies, underwater shots and many other scenes.

High-performance wide-angle lens for mirrorless interchangeable lens cameras

Angle of view equivalent to 38mm on the Micro Four Thirds system and 28.5mm on the E-mount system (35mm equivalent focal length).

This high-performance standard lens offers an angle of view equivalent to 38mm on the Micro Four Thirds system and 28.5mm on the E-mount system (35mm equivalent focal length). Three aspheric lenses produced by precision glass molding minimize distortion and field curvature. The inner focusing system corrects the fluctuation of aberration to maintain image quality regardless of the focusing position. Sigma's Super Multi-Layer Coating reduces flare and ghosting and provides high contrast images. Currently comprising the SIGMA 60mm F2.8 DN mid-range telephoto lens, the SIGMA 30mm F2.8 DN standard lens and the SIGMA 19mm F2.8 DN wide-angle lens, the updated DN series expands photographers' high-performance options for mirrorless interchangeable lens cameras.

Superior image quality from the center to the edges of the image

Minimizing distortion and other types of aberration, this lens offers exceptional sharpness and clarity.

This lens features three glass mold aspherical lenses which provide excellent correction for distortion and field curvature. The inner focusing system corrects the fluctuation of aberration to maintain image quality regardless of the focusing position. The superior telecentric optical design improves the image quality throughout the frame.

Rounded diaphragm

When photographing with point light sources such as electric lights or reflections on a body of water in the background, the rounded 7-blade diaphragm helps produce an attractive bokeh effect?even at large aperture settings.

An all-new, all-premium lineup

Superior functionality across the lineup, thanks to Sigma's proprietary new A1 MTF measuring system.

There are three requirements for outstanding lenses: fine design, precise manufacturing and inspection that ensures compliance with all specifications. Sigma lenses are born of well-thought-out design concepts and sophisticated, advanced Japanese manufacturing technology; the final clincher is our lens performance evaluation. We used to measure lens performance using conventional sensors. However, we've now developed our own A1 proprietary MTF (modulation transfer function) measuring system using 46-megapixel Foveon direct image sensors. Applying this system, we check each lens in our new lines at our Aizu factory, our sole production site. Even previously undetectable high-frequency details are now within the scope of our quality control inspections, allowing us to deliver consistently high lens performance.

46-megapixel Foveon direct image sensor

The 46 effective megapixel (4,800 ? 3,200 ? 3 layers) and 44 recording megapixel (4,704 ? 3,136 ? 3 layers) 23.5 ? 15.7mm APS-C X3 direct image sensor captures all primary RGB colors at each and every pixel location, ensuring the capture of full and complete color. Using three silicon-embedded layers of photo detectors, stacked vertically to take advantage of silicon's ability to absorb red, green and blue light at different respective depths, it efficiently reproduces color more accurately, and offers sharper resolution, pixel for pixel, than any conventional image sensor. Since color moir? is not generated, the use of a low-pass filter is not required, meaning light and color, generated by the 46-megapixel APS-C X3 direct image sensor is captured with a three-dimensional feel.

Ultra-high precision and quality?all made in Japan

Optimizing quality with our integrated production system, Sigma is focused on making things right, with our own hands and our own techniques. We are now one of the very few manufacturers whose products are solely "made in Japan." We like to think our products are somehow imbued with the essence of our homeland, blessed as it is with clean air and water, and focused, hard-working people. We pride ourselves on the authentic quality of Sigma products, born of a marriage between highly attuned expertise and intelligent, advanced technology. Our sophisticated products have satisfied professionals and lovers of photography all over the world, because our manufacturing is based on genuine craftsmanship, underpinned by the passion and pride of our experts.

A lens design ideal for a mirrorless interchangeable lens camera

The finest in materials, usability and functionality. A refined, integrated design made with the photographer in mind.

The simple shape of the focus ring, varying textures that distinguish each part of the lens, the elegantly etched product name, the use of metal on almost all external areas of the lens, the unibody design of the hood?all of these elements add up to a lens design that is ideal for mirrorless interchangeable lens cameras. In addition, photographers have the choice of black or silver to match their favorite equipment. The basic concept, however, is no different from that of other Sigma lenses: responding intuitively to the photographer's intentions and performing fundamental functions at the highest level possible. The interior of the lens features a quiet and powerful linear motor, while the brass mount combines high precision with durability. Designed for use over the long term, this lens features treated surfaces, enhanced strength and overall construction of the highest quality.

Linear AF motor

This lens benefits from a linear AF motor which moves the lens unit directly without the need for gears or other extra mechanical parts. This system ensures accurate and quiet autofocusing, making the lens excellent for both recording video and taking still photos.

High-precision, rugged brass bayonet mount

The brass mount combines high precision with rugged construction. Its treated surfaces and enhanced strength contribute to the exceptional durability of the lens.

Flare and ghosting reduction

From an early stage in the lens design process, flare and ghosting have been measured to establish an optical design resistant to strong incident light sources such as backlighting. Sigma's Super Multi-Layer Coating reduces flare and ghosting to help photographers produce sharp and high contrast images even in backlit conditions. The included lens hood can be attached to block out extraneous light, which can have a negative effect on rendering performance.

Warranty - 1 year America Warranty + 3 year USA extended warranty on manufacturing and workmanship for a total of 4 years of coverage from date of purchase.

Product Specifications:

Lens Construction: 8 elements in 6 groups
Minimum aperture: F22
Filter size: 46mm
Angle of view: 59.3 Degrees (Sony E-mount 73.5 Degrees)
Minimum focusing distance: 20cm / 7.8in
Dimensions (diameter x length): 60.8mm ? 45.7mm/ 2.4in x 1.8in
Number of diaphragm blades: 7 (rounded diaphragm)
Maximum magnification ratio: 1:7.4
Weight: 160g/5.6oz

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Sigma 19mm F2.8 EX DN ART Lens for Sony (Black)

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4 out of 5 stars   excellent value and quality
February 28, 2016
Review submitted for Sigma 19mm F2.8 EX DN ART Lens for Sony (Black) (SG19F28MAK)
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