A look at what filtering it takes to adequately match a variety of film lights to tungsten or daylight. The lighting filters used in this piece are all from Lee Filters' Master Location Pack. For this ...

IN practical work, the term ‘blended light’ is used to describe the mixture of the light from the ordinary tungsten gas-filled lamps with that from mercury discharge lamps. A. H. Olsen contributes a ...

Spectrometers are exceptionally versatile instruments capable of measuring light intensity in terms of its component wavelengths (i.e. by color). Fiber-coupled, cost-effective spectrometers like the ...