PocketWizard
Encyclopedia
The PocketWizard is a wireless
Wireless
Wireless telecommunications is the transfer of information between two or more points that are not physically connected. Distances can be short, such as a few meters for television remote control, or as far as thousands or even millions of kilometers for deep-space radio communications...

 radio triggering system for off-camera lighting developed in the late 1990s, by LPA Design. It requires a transmitter
Transmitter
In electronics and telecommunications a transmitter or radio transmitter is an electronic device which, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating...

 electrically connected to the camera, usually mounted on the camera's hot shoe
Hot shoe
A hot shoe is a mounting point on the top of a camera to attach a flash unit.- Design :The hot shoe is shaped somewhat like an inverted, squared-off "U" of metal. The matching adapter on the bottom of the flash unit slides in from the back of the camera and is sometimes secured by a clamping screw...

 to trigger a remote receiver
Receiver (Information Theory)
The receiver in information theory is the receiving end of a communication channel. It receives decoded messages/information from the sender, who first encoded them. Sometimes the receiver is modeled so as to include the decoder. Real-world receivers like radio receivers or telephones can not be...

 connected to a remote flash unit via a PC Cord.

See also

  • BC Flash
    BC Flash
    BC Flash was a flash photography system used with flashbulbs. Instead of relying directly on the current pulse ability of a battery to directly fire a flashbulb, a battery was used to charge a capacitor that would then discharge through the flashbulb...

  • Guide number
    Guide number
    The guide number for an electronic flash measures its ability to illuminate the subject to be photographed at a specific film or sensor sensitivity and angle of view...

  • Flash synchronization
    Flash synchronization
    In a camera, flash synchronization is defined as the firing of a photographic flash coinciding with the shutter admitting light to photographic film or electronic image sensor. It is often shortened to flash sync or flash synch....

  • Inverse-square law
    Inverse-square law
    In physics, an inverse-square law is any physical law stating that a specified physical quantity or strength is inversely proportional to the square of the distance from the source of that physical quantity....

  • List of photographic equipment makers
  • Ring flash
    Ring flash
    A ring flash, invented by Lester A. Dine in 1952, originally for use in dental photography, is a circular photographic flash that fits around the lens, especially for use in macro photography...

  • Flash Comparison
    Flash Comparison
    A list of flash guns, for easy comparison of strobes, from different manufactures. The list is intended to supplement the list of photographic equipment makers.-List of current models:-List of discontinued models:...

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