Exposure & Metering

4 terms

A mode, marked M, in which the photographer sets aperture and shutter speed directly and the camera only advises.

The factor K in the exposure equation that ties a measured luminance to a recommended camera setting.

The pattern a camera uses to sample scene brightness when calculating an automatic exposure.

The reference tone, reflecting about 18 per cent of the light that strikes it, that every reflected-light meter is calibrated to reproduce.