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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.
Some lenses had manual diaphragms—the photographer had to take the camera down from his eye and look at the aperture ring to set it. A "pre-set" diaphragm had two aperture rings next to each other: one could be set in advance to the aperture needed for the picture while the other ring controlled the diaphragm directly.
Download as PDF; Printable version; ... The 35–70 mm lens can be used on all other Pentax K-mount bodies in manual focus ... Vivitar 70–210 mm f3.5 Macro Zoom ...
Samyang Optics - photographic lenses: autofocus lenses, manual focus lenses, DSLRs, cinema lenses (also under Xeen brand) ScoutGuard - trail cameras; Sea & Sea - underwater housings for DSLRs and MILCs; previously offered compact digital cameras; Seagull Camera - compact cameras; Seitz - digital panorama cameras
Kiron Corporation was a subsidiary of Kino Precision Industries, Ltd., a Japanese manufacturer of photographic lenses.Kiron was based in Carson, California, operating in the 1980s primarily as the United States distributor of Kiron lenses, which were offered in a variety of mounts compatible with many popular 135 film manual focus single-lens reflex camera systems.
It is also sold under a number of different brands such as Walimex, Rokinon, Vivitar and Bower. Samyang has released the AE version of the lens for Nikon which includes a CPU and electronic contacts to allow for automatic exposure in all modes, including in camera models that do not normally support automatic exposure with manual focus Nikon Ai ...
The Nikon SB-M dedicated flash is designed specifically for the FM10, but it will also accept any other nondedicated hot shoe mounted flash for guide number manual or flash mounted sensor automatic exposure control – the venerable Vivitar 283 (guide number 120, ASA 100/feet; 37, DIN 21/meters) was still available new a quarter century after ...
Smaller companies such as Tamron, Samyang, Vivitar, and Opteka also offered several versions, with the three latter of these brands still actively producing a number of catadioptric lenses for use in modern system cameras. Sony (formerly Minolta) offered a 500 mm catadioptric lens for their Alpha range of cameras.