Electronic flash by Lester Lefkowitz

By Lester Lefkowitz

A e-book approximately the way to use Flash greater.

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Example text

Switching to the manual mode, as shown overleaf, permits use of larger apertures and can produce successful results where automatic operation would not. a particular film speed. factors. ) Remember posure) will provide some help here. It is Second so equipped, check the flash's closer to the confidence light (that shows there's light. confidence or sufficient exposure low (ISO/ASA ceilings A some of the because the bounce surface scatters the if: 2. 3. surface absorbs camera and subject positions and adding the 3.

Conversely, the light if may spread out more than the subject requires, wasting illumination. Ceilings are traditional bounce surfaces, but don't hesitate to use walls, a shade or blinds pulled down over a window, or even a cardboard an overcoat. In all cases, bounce surface must be light in reflector or the tone, and, for proper color rendition, the surface should be white, slightly Unusual color effrom bouncing off a col- off-white, or gray. fects result ored surface. For normal color rendition ofyour subject, use a neutral colored bounce surface.

Since they are an integral part of the equipment, zoom heads are more convenient than individual Fresnel lenses, though they often do not cover as extreme a range as the latter. Again, maximum and minimum ranges in the automatic mode decrease at the wide-angle setting, as does the guide number for manual with diffusers. Additionally. Fresnel lenses come in specific designs to match the field of view of specific camera lenses. * * The sensor of an automatic flash, except those dedicated systems where the sensor is mounted behind the lens, mar not see same as the lens and flash.

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