File:Vivitar 636AF (front).png
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![File:Vivitar 636AF (front).png](https://upload.wikimedia.org/wikipedia/commons/thumb/d/de/Vivitar_636AF_%28front%29.png/606px-Vivitar_636AF_%28front%29.png?20191029083402)
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[edit]DescriptionVivitar 636AF (front).png |
English: Vivitar 636AF electronic flash unit, released in 1987 for contemporary electronic 35 mm film SLR cameras with autofocus such as the Nikon F-501, Canon EOS 650 or Minolta 9000. It is equipped with a flexible head (330° of rotation, 90° of elevation), which can be adjusted for the focal length of the lens in increments (28, 35, 50 and 85 mm). An AF auxiliary light for better AF performance in low lighting conditions is also built-in, which functions in TTL mode only. Power is supplied by four AA batteries. Although primarily intended for TTL metering, there is a manual mode with full or 1/16 power output available. Here, correct exposure is achieved by selecting the appropriate combination of film speed, distance to subject, lens aperture and focal length as indicated by the control panel and flash head respectively. The Nikon version of the 636AF works best with 35 mm electronic film cameras, as anything but the oldest DSLR bodies use a newer resp. incompatible type of TTL metering system, forcing manual mode to be used, rather crippling the utility of the 636AF. Trigger voltage should be safe for modern DSLR cameras. |
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Source | Own work |
Author | Trio3D |
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current | 08:34, 29 October 2019 | ![]() | 2,029 × 2,006 (2.79 MB) | Trio3D (talk | contribs) | {{Information |description ={{en|1=Vivitar 636AF electronic flash unit, released in 1987 for contemporary electronic 35 mm film SLR cameras with autofocus such as the Nikon F-501, Canon EOS 650 or Minolta 9000. It is equipped with a flexible head (330° of rotation, 90° of elevation), which can be adjusted for the focal length of the lens in increments (28, 35, 50 and 85 mm). An AF auxiliary light for better AF performance in low lighting conditions is also built-in, which functions in TTL m... |
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Horizontal resolution | 118.11 dpc |
Vertical resolution | 118.11 dpc |
File change date and time | 20:21, 27 October 2019 |