Sigma Launches Prime Lenses for Mirrorless Interchangeable Lens Cameras


Sigma Launches Prime Lenses for Mirrorless Interchangeable Lens Cameras

Sigma, a company known for development and manufacturing of a wide variety of lenses, cameras and flashes, has made its entry into the mirrorless interchangeable lens category with the introduction of its latest Digital Neo (DN) line. The first lenses in this line include the 30mm F2.8 EX DN and the 19mm F2.8 EX DN lenses in Micro Four Thirds mounts for Olympus and Panasonic, and E-mount for Sony NEX-series cameras. 

The Sigma DN line of high-performance lenses is designed exclusively for mirrorless interchangeable lens cameras. The 30mm F2.8 EX DN and the 19mm F2.8 EX DN lenses are both equipped with Sigma’s Super Multi-Layer Coating to reduce flare and ghosting. The lenses also feature a newly developed linear autofocus (AF) motor, which moves the lens unit directly without the need for gears or the drive of other mechanical parts. This system ensures accurate and quiet autofocusing, making both the 30mm F2.8 EX DN and the 19mm F2.8 EX DN suitable for video recording as well as still photos.

The Sigma 30mm F2.8 EX DN has the equivalent angle of view of a 60mm lens (35mm equivalent focal length) on the Micro Four Thirds system and 45mm (35mm equivalent focal length) on the E-mount system. It has a minimum focusing distance of 11.8 inches and a maximum magnification ratio of 1:8.1. The 30mm F2.8 EX DN has two glass mold aspherical lenses, including a double-sided aspherical lens, to provide excellent correction for all types of aberration, as well as an inner focusing system that corrects the fluctuation of aberration to maintain image quality regardless of the focal distance. It also features a rounded, seven-blade diaphragm to deliver a smooth rendering of the out-of-focus areas of the image.

The Sigma 19mm F2.8 EX DN is a wide angle lens with the equivalent angle of view of a 38mm (35mm equivalent focal length) on the Micro Four Thirds system and 28.5mm (35mm equivalent focal length) on the E-mount system. It has a minimum focusing distance of 7.9 inches and a maximum magnification ratio of 1:7.4. Three glass mold aspherical lenses provide excellent correction for distortion, color aberration and field curvature, and an inner focusing system corrects the fluctuation of aberration to maintain image quality regardless of the focal length. The 19mm F2.8 EX DN lens features a rounded, seven-blade diaphragm, which ensures smooth rendering of the out-of-focus areas of the image.

According to a Sigma spokesperson, these initial lenses will lead the way to a wider variety of choices for those who own Micro Four Thirds systems.

Pricing and availability of these new lenses are still pending.

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