Dedicated flash unit.

A flash unit designed to work with one particular camera system and which can operate in conjunction with the camera’s internal metering.

Dedicated flash units exchange information with the camera via a proprietary digital data line. These lines require small data pins on the flash hotshoe.

And as noted you can’t normally mix and match flash units from different makers. A Canon flash unit won’t work properly on a Nikon camera, for example. Or rather, it may fire at full power but flash metering and other features won’t function.

cf. flash unit, hotshoe, protocol.

Entry last updated 2002-04-03. Term 326 of 1487.

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