Photometers or light meters are radiometers that include a filter and photodiode and responds based on the average human eye: the CIE 1924 luminosity function V λ. However, the light sensitive diode ...

When we discuss colour in filmmaking, we're usually interested being – well – correct. But we might also talk about the steel blue of night, an amber sunset, or the greenish tinge that comes from ...

White light is made of a spectrum of different colours. Light can be split up into these separate colours using a prism. There are three primary colours of light, which can be combined to make ...

Phil Rhodes takes a look at the Quasar Science Rainbow 2 tube light. We think he likes it. Whenever we’ve discussed full colour mixing lights in the past, we’ve always had to make excuses about our ...