A light meter (or illuminometer) is a device used to measure the amount of light. In photography, an exposure meter is a light meter coupled to either
and Steinheil. A high-quality Tessar lens was made by Zeiss. Rollei's light meter supplier was Gossen. Whether to use either a photovoltaic selenium sensor
internal light meter. As the aperture is adjusted, the opening expands and contracts in increments called f-stops. The smaller the f-stop, the more light is
Metering may refer to: Measuring instrument: Device for measuring a physical quantity. Ramp meter: Device; usually a basic traffic light or a two-section
estimating correct daylight exposures without a light meter. Apart from the advantage of independence from a light meter, the sunny 16 rule can also aid in achieving
selenium meter is a light-measuring instrument based on the photoelectric properties of selenium. The most common use of such light meters is measuring
Nikkor types, will mount but require stop down metering. The F2 with plain/eye-level DE-1 prism (no light meter; see below) will work with either lens types
lenses as the Nikon F series cameras. The light meter indicates current whose value depends on the amount of light, and three user settings: aperture, shutter
M6 incorporates a light meter within the body dimensions established by the previous Leica M3 and Leica M4 models. The light meter was operated by depressing
useless for in-camera light metering. Built-in light metering with SLRs started with clip-on selenium cell meters. One such meter was made for the Nikon