What Is Photometrics?
Photometrics
Photometry is the study of measuring light and its properties, primarily how it interacts with objects and surfaces in a scene. This can include measuring the intensity, color, and spread of light and the properties of objects and surfaces, such as how much light they reflect or how much light they let through. Photometrics is essential in many fields, such as photography, optics, illumination engineering, and computer graphics. It measures how much light comes from a source, how it moves through a medium, and how it is picked up by a detector, like the human eye or a camera. Photometrics is essential for achieving the correct exposure in photography and film and setting up lighting to create the desired mood or effect.
Key aspects of photometrics include:
Light Distribution Diagram: This image could show a graph or diagram with light intensity decreasing as it moves further from a source. It might include contour lines representing equal brightness levels around a light source.
Beam Angle Visualization: An illustration showing how light spreads out from a source, with angles marked to indicate the width of the beam. It may also show the difference between narrow, focused, and wide, diffuse beams.
Color Temperature Chart: A gradient chart ranging from warm (yellow/orange) to cool (blue) light, with the corresponding Kelvin values marked.
Lux Meter: This is an image of a digital lux meter, a device that measures light intensity in a given area. It is usually displayed in lux or foot candles.