Aperture priority, often abbreviated Av (for Aperture value) or A on a camera mode dial, is a setting that allows the user to choose a specific aperture value while the camera selects a shutter speed to match. The camera will ensure proper exposure. This is different from manual mode, where the user must decide both [...]
Archive for May, 2011
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Aperture
May 16th, 2011 
Andrei Aperture refers to the size of the opening in the lens that determines the amount of light falling onto the sensor. The size of the opening is controlled by an adjustable diaphragm of overlapping blades similar to the pupils of our eyes. Aperture affects exposure and depth of field. Successive apertures halve the amount of [...]
AE Lock
May 14th, 2011 Andrei Auto Exposure Lock (sometimes called AEL) is an excellent method of gaining added control over exposure, without losing the speed and convenience of automation. In fact, since most photographers today use some form of auto exposure the majority of the time, an understanding of how AE Lock operates can add a new dimension to their [...]
