RTA 211 Lecture Notes - Lecture 4: Cyc, Key Light, Stage Lighting Accessories
Document Summary
With these 3 lights you can make any colour. The more light you add the lighter it gets. The more colour you add into the system the darker it gets. This is really problematic when you want to design something on a computer that"s going to be printed. Footcandles: the illumination on the surface one foot away from a common candle. Lux: the illumination on a surface one meter away from a common candle. Watts: is an indication of how much energy your light fixture uses. Foot candles: is a measure of how much light your fixture puts out and it"s dependant on distance away from the fixture, focusing system, light bulb efficiency, whether the fixture is focused . There is no relationship from watts to the amount of light. By moving the fresnel lens closer and further from the light source you get more or less focused light. Danna just shattered a fresnel lens!!
