What is light meter?

Light Meter

A light meter is a device used to measure the amount of light. In photography, a light meter is often used to determine the proper exposure for a photograph. Typically a light meter will include a computer, either digital or analog, which allows the photographer to determine which shutter speed and f-number should be selected for an optimum exposure, given a certain lighting situation and film speed.

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Some articles on light meter:

Nikonos Light Meter
... The Nikonos light meter accessory houses the selenium-celled Sekonic L-86 Auto-Lumi ... An underwater light meter is necessary for the non-metered Nikonos I, II, and III ...
Pentax Cameras - The Screw Mount Cameras - Other Prototypes
... plane shutter (from which the camera drew its name), and an already obsolescent coupled selenium light meter ... The light meter was not TTL, but instead featured the typical large selenium mini-lens pattern on the front of the pentaprism ... Gone was the cumbersome selenium light meter, replaced with a now standard internal CdS meter ...
Entry Level Models - Rollei 35 LED
... The uncoupled selenium light meter was replaced by a new electronically coupled light meter, using variable resistors for transferring the aperture and shutter control ... designation Rollei 35 LED resulted from the three light emitting diodes in the viewfinder, which indicated overexposure, correct exposure, or underexposure ... of the power switch, which activated the light meter permanently ...
The Nikkormat EL-series - Nikkormat EL
... percent centerweighted, cadmium sulfide (CdS) light meter, while a translucent green needle showed the actual camera set shutter speed ... by the electronic circuitry in response to the light reaching the meter ... Manually setting a camera to expose the film properly takes two steps, even after taking a light meter reading ...
Light Meter - Use in Illumination
... Light meters or light detectors are also used in illumination ... It is therefore recommended to use light meters in lighting systems, especially in rooms where one cannot expect users to pay attention to manually switching off the lights ... order to achieve a successful implementation of light meters in lighting systems, of which user acceptance is by far the most formidable ...

Famous quotes containing the words meter and/or light:

    Much poetry seems to be aware of its situation in time and of its relation to the metronome, the clock, and the calendar. ... The season or month is there to be felt; the day is there to be seized. Poems beginning “When” are much more numerous than those beginning “Where” of “If.” As the meter is running, the recurrent message tapped out by the passing of measured time is mortality.
    William Harmon (b. 1938)

    One stick of kindling alone will not light a fire.
    Chinese proverb.