Definitions for "Matrix metering"
Keywords:  nikon, slr, meter, exposure, grid
In most digicams there is a matrix metering option which uses 256 areas of the frame to calculate the best overall exposure value. see also: "Spot metering" and "Center-weighted"
(Also called Evaluative Metering and Honeycomb Metering.) Advanced TTL metering system that uses simultaneous readings from multiple image areas to determine the correct exposure.
In most new digital cameras there is a matrix metering option which uses 256 areas of the frame to calculate the best overall exposure value.