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Flash bracketing is a technique of working with electronic flash, especially when used as fill flash in combination with existing light, maintaining the overall amount of exposure. The amount of light provided by the flash is varied in a bracketed series in order to find the most pleasing combination of ambient light and fill flash.
Balancing the flash power and ambient lighting or using off-camera flash can help overcome these issues. Using an umbrella or softbox (the flash will have to be off-camera for this) makes softer shadows. A typical problem with cameras using built-in flash units is the low intensity of the flash; the level of light produced will often not ...
The flash is connected electrically to the camera either by a cable with a standardized coaxial PC (for Prontor/Compur) 3.5 mm (1/8") connector [1] (as defined in ISO 519 [2]), or via contacts in an accessory mount bracket.
The flash unit sets up a circuit between shoe and contact—when it is completed by the camera, the flash fires. In addition to the central contact point, many cameras have additional metal contacts within the "U" of the hot shoe. These are proprietary connectors that allow for more communication between the camera and a "dedicated flash".
The camera supports an external flash via a proprietary connector and bracket, however it does not provide a hotshoe on the camera. The camera may be operated conventionally, fired via a remote control, fired by time delay, or fired-by-wire via software such as Cam2Com [1] .
The pre-flash may cause undesirable reactions from animate objects - e.g. humans may blink as a reaction to the pre-flash, and have their eyes closed by the time the main flash occurs. When using flash exposure lock (FEL), the pre-flash is fired when FEL is activated. E-TTL has two major disadvantages over A-TTL when used with film cameras. [2]
Exposure autobracketing (often abbreviated to AEB for automatic exposure bracketing or BR for Bracketing) is the most common form.In this, the camera is set to capture the same image several times with different exposure settings, both over-exposed and under-exposed (lighter and darker) compared to the current setting on the camera, [1] which may already include exposure compensation.
This adapter is available as part of a wide angle conversion lens kit which, while sold mainly for the Panasonic DMC-LC5, also fits the Digilux 1. The wide-angle lens converter makes a 28 mm equivalent focal length, and with the Leica 28mm optical finder which fits the flash bracket, it makes a good quality wide-angle camera.