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Cosina has launched the Voigtlander APO-Skopar 90mm f/2.8 for Nikon’s F-mount. Cosina says that the lens has been designed to convey the looks of chromatic aberration to as near zero as potential. The APO-Skopar 90mm f/2.8 follows the Coloration-Skopar 28mm f/2.8 SL II S that Cosina launched in September, additionally for F-mount. It, just like the 28mm, is a tribute to traditional SLR lenses. The 90mm f/2.8, specifically, is described as a tribute to the lenses produced between 1965 and 1974 and includes a silver rim (which Cosina is nicknamed Sakijiro amongst colelctors) or a black one (referred to as Sakiguro). Each coloration choices can be out there when the lens involves market. The corporate says that the newly designed optical system makes use of “anomalous partially dispersed glass” in 5 out of the seven parts which can be organized within the seven-group building. It has a 27.5-degree angle of view, a most magnification of 1:8.1, a nine-bladed aperture diaphragm, and a 52mm entrance aspect filter measurement. The lens options an aperture vary of f/2.8 by way of f/22. Cosina says that it makes use of an apochromat design that “makes the on-axis chromatic aberration of RGB, which constitutes the three major colours of sunshine, as near zero as potential.” Cosina adopted an all-metal helicoid unit that it processed and adjusted with what it describes as excessive precision and high-quality grease that produces applicable torque and permits for clean in addition to exact and delicate focusing operation. Provided that the lens is totally handbook focus, this type of consideration to element within the focusing is prone to be appreciated. The corporate described related consideration to element in its 28mm f/2.8.
Additionally just like the 28mm f/2.8, the APO-Skopar 90mm f/2.8 is suitable with quite a lot of Nikon our bodies, together with Nikon’s that function Ai-S with built-in CPU, but it surely additionally has an Ai coupler that Cosina says makes it potential to make use of with quite a lot of cameras from traditional SLRs from the period the lens celebrates by way of the newest DSLRs. The lens is designed particularly to be compact, and Cosina says that regardless of its excessive efficiency, the lens is simply 40mm lengthy. Cosina says that the Voigtlander APO-Skopar 90mm f/2.8 can be out there in November in each black and silver iterations for 68,000 yen, or about $596.
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