Valonmääritys
Valonmääritys, often translated as photometric measurement, is the process of quantifying the intensity of light. It involves measuring the radiant power of electromagnetic radiation within the visible spectrum, from approximately 380 to 750 nanometers. This measurement is crucial in various scientific, industrial, and everyday applications.
The fundamental unit of photometric measurement is the lumen (lm), which quantifies luminous flux, the total
Instruments used for valonmääritys are called photometers or light meters. These devices typically consist of a
Applications of valonmääritys are widespread. In photography and filmmaking, it helps determine correct exposure settings. In