Human vision relies on light. After reflecting off surfaces, light enters into the eyes and travels through the cornea and pupil to produce an image on the retina. The eye is sensitive to a broad ...

The lumen is one of the most common units for measuring the brightness of any given light source. Despite its ubiquity, it’s actually also one of the worst ways to gauge illumination. Here, we dispel ...

The measurement of light can be separated into a range of measurement principles. Each of these measurement principles is quantified according to different optical parameters. In the case of ...

BSI, the business improvement company, has invested in a GL OPTICAM 1.0 luminance measuring camera, from Analytik to verify emergency lighting product compliance with the standard ISO 3864-2:2016 ...

Arguably the most important element of creating a great projected visual display is in the combination of a projector’s brightness and a screen’s ability to adequately reflect light. The overall ...