Note: Rates for Standard to and from Canada do not include charges for customs clearance. Rates for Standard to and from Mexico include routine customs clearance.
vs. Hitachi Dynamic Link Manager. Net metering is a utility resource usage and payment scheme in which a customer who generates their own power is compensated monetarily. Net metering originated with electric companies as a way to encourage consumers to invest in renewable energy sources such as solar or wind power.
Shares & Saves. Save. Through-the-lens metering, also known as TTL, is a method of measuring light for photographic exposure purposes. In TTL metering, the light is measured using an in-camera light meter, eliminating the need to use a separate, hand-held light meter.he advantage of using a through-the-lens flash metering system is that the photographer is not required to perform the calculation of flash output, which eliminates a margin of error.