4 DC DN Contemporary of wide-angle lens, standard 30mm F1. 4 DC DN Contemporary as F1.4 DC DN series until now. It is looking into the distance 56mm F1.
4 DC DN Contemporary while third and one becoming are the smallest in this class. Concept of Contemporary line which balanced compactness with high optical performance by injection of state-of-the-art was the same, and even middle looking into the distance area realized lens to be able to enjoy brightness and quantity of senility of F1. It is completion of large-diameter series of expectation to be able to take casually that was harmonious with wide-angle lens, standard, middle looking into the distance. In the telephoto lens in F1.
4 for APS-C About product nameOn lens which we designed in conformity to image circle of APS-C size equivalency, we write down "DC" in product name. When it is photographed in full size, vignetting produces "DC" lens to screen.
You change shooting range, and please use. Furthermore, on lens which we designed which is most suitable for Cameras which adopted short flange back, we write down "DN" in product name.
Even video shooting realizes comfortable AFBy optical design corresponding to video AF and adoption of stepping motor, we enable quiet, natural focus work in autofocus. We show superior flattery characteristics in correspondence with fast hybrid AF in SONY E mount.
We can continue focusing face and eyes if we use facial recognition and eyes AF function of Cameras even if subject moves during shooting. Bayonet mount made of high accuracy, solid brassWe adopt mount made of brass which had solidity and high precision. We gave surface treatment and raised strength to be able to endure long-term use and realized the making of high-quality lens. We adopt simple dust proofing drip-proof mechanismWe put ceiling of rubber for mount department and considered use in various environment.
We balance downsizing with high resolution equal to Art lineNeighboring light quantity and distortion distortion perform lens design assuming thing using revision function in Cameras and realize miniaturization. By adopting SLD glass, as well as downsizing, correct longitudinal chromatic aberration that it is hard to correct by image processing well. It fell out if small and light and planned coexistence of image quality that no was good for.
Design in consideration for flare, ghostingWe carry out flare, measures for ghost thoroughly from initial stage of lens design and perform design that is hard to be affected for strong incident light such as backlight. By adoption of super multi-layer coat, we reduce flare, outbreak of ghost and realize high description of contrast in the shooting at the time of backlight. 4 lens system for three only APS-C in SONY E mountWe were particular about opening level F1.4 daringly to obtain quantity of senility and brightness that even APS-C size Cameras that senility was apt to become smaller than 35mm full size Cameras was enough for. You can use as telephoto lens in small size, large diameter to be able to make use of lightweight Body, big senility in easy to use widely even every day from portrait to snap, night view. Circular diaphragmBy adoption of circular diaphragm of nine pieces of feathers, we can enjoy circular senility near opening. SIGMA DC DN SERIESSIGMA made efforts in that we had lineup of bright single focus lens from wide-angle lens to looking into the distance until now. In the Interchangeable Lens for mirrorless Cameras, we constituted at the focal length to form the cause of concept to adopt lightweight compact package easy to use even every day, basic constitution of shooting. 4 DC DN Contemporary which it released in 2016 releases for the first of new single focus lens series for mirror reply Cameras which shows high optical performance while realizing brightness of F1.
Including material choice that design the latest optics to manufacture as lens of large-diameter F1. 4 of Contemporary line, and is most suitable, response to video, completely correspondence to distortion revision function in Cameras in every respect challenged, and realized downsizing and comfortable operability together while having top priority, and doing high resolution. 4 DC DN Contemporary, it is "wide-angle lens" 16mm F1. 4 DC DN Contemporary next.And we developed "middle looking into the distance" 56mm F1. 4 DC DN Contemporary and prepared sufficient lineup as new "lens system" for mirrorless Cameras. The picture is for illustrative purposes only.
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