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Viltrox AF 27/1.2 E Pro [37] 2023-12 27mm: f / 1.2: f / 16: 565g: 67mm: 82mm: 92mm: 0.28m: 1:6.7 Viltrox ... 35mm f/1.7 Lens [472] Thingyfy. Pinhole Pro S 11mm ...
Until 2018, all third party lenses were manual except from the three Zeiss Touit lenses. In 2019, Viltrox introduced a 85 mm f/1.8 AF lens lacking an aperture ring. [39] In April 2020, the same company introduced a 33 mm f/1.4 lens with an aperture ring. Two more Viltrox lenses, 23 mm f/1.4 and 56 mm f/1.4, are announced for 2020. [40]
Vivitar Corporation is a manufacturer, distributor, and marketer of photographic and optical equipment originally based in Santa Monica, California. [citation needed] Since 2008, the Vivitar name serves as Sakar International's house brand for digital imaging, optics, mobile accessories, and audio products.
So a standard 50 mm lens for 35 mm photography acts like a 50 mm standard "film" lens even on a professional digital SLR, but would act closer to a 75 mm (1.5×50 mm Nikon) or 80 mm lens (1.6×50mm Canon) on many mid-market DSLRs, and the 40-degree angle of view of a standard 50 mm lens on a film camera is equivalent to a 28–35 mm lens on ...
Cylindrical lenses. A cylindrical lens is a lens which focuses light into a line instead of a point as a spherical lens would. The curved face or faces of a cylindrical lens are sections of a cylinder, and focus the image passing through it into a line parallel to intersection of the surface of the lens and a plane tangent to it along the cylinder's axis.
The Minolta SR-mount was the bayonet mounting system used in all 35 mm SLR cameras made by Minolta with interchangeable manual focusing lenses. Several iterations of the mounting were produced over the decades, and as a result, the mount itself was sometimes referred to by the name of the corresponding lens generation (f.e. "MC", "MD" or "X-600") instead.