By Lisa Johnston
New products on display at the American International Toy Fair, held in N
Yokohama, Japan — Sigma of America introduced Tuesday four lenses for its ART product line, including three lenses for mirrorless interchangeable lens cameras and one APS-C DSLR model.
The Sigma lenses include the 30mm F1.4 DC HSM, which will be available in Sigma, Canon and Nikon mounts, and the 30mm F2.8 DN, 19mm F2.8 DN and 60mm F2.8 DN lenses, which are available for both Micro Four Thirds and Sony E-Mount camera systems.
Pricing and availability on all of lenses will be announced later.
The 30mm F1.4 DC HSM, 30mm F2.8 DN and 19mm F2.8 DN lenses are existing focal lengths that have been redesigned with enhanced optical performance and included as part of Sigma’s new Global Vision category restructuring, the company said.
All three DN lenses incorporate telecentric optical designs and a linear, auto-focusing motor that ensures accurate and quiet focusing for video recording.
They also boast metal exteriors and a simply shaped focus ring, with varying textures to distinguish each part of the lens.
Black or silver finishes are available for the DN products.
The 30mm F1.4 DC HSM offers an F1.4 large-aperture and is compatible with APS-C format sensors. A new optical configuration of nine elements in eight groups is offered as well as rounded aperture blades.
The minimum focusing distance is 11.8 inches and its maximum magnification ratio is 1:6.8.
Sigma said the lens’ optimized power distribution helps to minimize field curvature, prevent a loss of image quality at the edges of photographs and produce outstanding image quality.
The 30mm F1.4 is compatible with Sigma’s new USB Dock, which will enable firmware updates and focusing adjustments.
The 60mm F2.8 DN is billed as a mid-range telephoto lens with a shallow depth of field offering a smooth bokeh effect. It has an angle of view equivalent to 120mm on the Micro Four Thirds system and 90mm on the E-mount system (35mm equivalent focal length). The minimum focusing distance is 19.7 inches; the maximum magnification is 1:7.2. The lens uses Special Low Dispersion (SLD) glass to minimize axial and transverse chromatic aberration.
The Sigma 19mm F2.8 DN wide-angle telephoto lens has 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). The minimum focusing distance is 7.9 inches and the maximum magnification is 1:7.4.
The Sigma 30mm F2.8 DN is billed as a high-performance, standard telephoto lens with an equivalent angle of view of 60mm on the Micro Four Thirds system and 45mm on the E-mount system (35mm equivalent focal length).
This lens is suited to casual and formal portraiture, documentary photography, travelogues and everyday shooting, and includes a double-sided aspherical lens that enhances its optical performance. Minimum focusing distance of 11.8 inches and maximum magnification is 1:8.1.
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