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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.
Guide number distances are always measured from the flash device to the subject; if the flash device is detached from the camera, the position of the camera is irrelevant. Furthermore, unless a flash device has an automatic zoom feature that follows the setting of a camera's zoom lens, guide numbers do not vary with the focal length of lenses.
Built in wide flash adapter and bounce card. Nikon SB-800 AF Speedlight [42] 38 (at 35mm) / 56m (at 105mm) at ISO100 Screwlock PC 24-105mm 1/1-1/128 i-TTL/CLS yes yes 6sec yes [43] October 2008 [44] Built in wide flash adapter and bounce card. Vivitar 283 36m/120 ft at ISO100 (at 35mm) [45] Vivitar Connector fixed (35mm) 1/1 [nb 9] no yes no ...
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 ...
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Pre-A lenses can only be used in manual stop down metering mode and manual flash mode. ... Tokina 70–210 mm f4.0-5.6 (manual + AF, AF lens was also made for Vivitar)
An interactive electronic technical manual (IETM) is a portal to manage technical documentation. IETMs compress volumes of text into just CD-ROMs or online pages which may include sound and video , and allow readers to locate needed information far more rapidly than in paper manuals.
CompactFlash IDE (ATA) emulation speed is usually specified in "x" ratings, e.g. 8x, 20x, 133x. This is the same system used for CD-ROMs and indicates the maximum transfer rate in the form of a multiplier based on the original audio CD data transfer rate, which is 150 kB/s.