ISO sensitivity is the third factor besides shutter speed and aperture that determines the exposure of a picture is the light sensitivity of the electronic array that takes in the light and forms the picture. This is adjustable in most Read More …

As noted previously, there’s an inverse relationship between aperture and shutter speed. A fast shutter speed does not let in as much light as a slow shutter speed. If you’re using a tight aperture to achieve high depth of field, Read More …

Aperture refers to the width of the shutter opening in a camera when a picture is taken. A wider aperture lets more light in and allows pictures to be taken in dimmer light. However, it also creates shallower depth of Read More …