THESAURUS
light meter
ASA exposure index, ASA scale, British candle, DIN number, Hefner candle, Scheiner scale, bougie decimale, candle, candle lumen, candle power, candle-foot, candle-hour, candle-meter, decimal candle, exposure, exposure meter, f-stop, film rating, film speed, flux, foot-candle, intensity, international candle, lamp-hour, lens opening, light, light quantum, lumen, lumen meter, lumen-hour, lumeter, luminous flux, luminous intensity, luminous power, lux, photon, quantum, shutter speed, time exposure, unit of flux, unit of light