Open flash

Open flash
Method of flash operation using the following sequence: shutter opened, flash fired, shutter closed. Usually shutter duration is unimportant since the available light is much dimmer than the flash.
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OPEN FLASH Flash pictures can be made without the camera shutter and flash being synchronized, using a technique called open flash.

Open flash
Techniques Glossary Open flash
Where the shutter is held open and the flash is fired manually.

Open Flash Refers to firing a flash unit with the shutter open. In long time exposures (at Bulb or Time setting), repeatedly firing a the flash creates a multiple-exposure, stroboscopic effect.

Open flash
Method of using numerous flash firings to build-up 'flash power'. During which time the shutter is kept open, this method can only be used when the shutter speed is unimportant because of poor existing lighting.

Open Flash Chart works by requesting data from the server when a user loads a web page. The server will knows who the particular user is and it will generate a custom chart showing up to the minute data.

Open flash: Flash fired manually between opening and closing the shutter. It is used when the shutter speed is not important because of poor existing light.
Optical axis: Imaginary line passing horizontally through the center of a lens.

Open Flash - Operating a flash unit that is located in an area that is remote from the camera.

Optical Resolution - The true level of resolution (image detail) found in a flatbed scanner.

To bounce light around houses, David points open flash heads up to walls and ceilings.

A fun way of taking interesting photos in the dark is to trigger a flash unit manually whilst leaving the shutter open - sometimes called "open flash.

Four of them took the main weight of the model and four supported the corners. Below the white acrylic, I set up three open flash tubes (bare bulbs) on the white paper.

and editorial photographers because it delivers a similar effect when used close to the subject, and a more defined effect when used further away. In both cases, the light is soft and produces attractive results, which are superior to open flash for ...

See also: Flash, Light, Image, Shutter, Camera