- The lux (symbol: lx) is the SI derived unit of illuminance or illumination. It is equal to one lumen per square metre.
The difference between the lux and the lumen is that the lux takes i. Used . nto account the area over which the luminous flux is spread. 1000 lumens, concentrated into an area of one square metre, lights up that square metre with an illuminance of 1000 lux. The same . Used . 1000 lumens, spread out over ten square metres, produces a dimmer illuminance of only 100 lux.
Achieving an illuminance of 500 lux might be possible in a home kitchen with a single fluorescent lig...Lumen
- In physics, specifically photometry (optics), the lumen (symbol: lm) is the SI derived unit of luminous flux. It is the amount of light that falls on a unit spherical area at unit distance from a sour. Used . ce of one candela. In steradians this is equivalent to the amount of light that falls on a unit solid angle from a light source of one candela. Alternatively, one lumen is the total light pro. Used . duced by an isotropic light source of (1/4p) candelas. A 100 watt incandescent light bulb will output around 1500 lumens. ...Color gel
- Color gel is a translucent or transparent coloured material that is used in theatre to colour light. Modern gels are usually made of polycarbonate or polyester, but the name arose from the gelatin ori. Used . ginally used. See gel (theater).
Gels are also used in photography and cinematography for the purpose of color correction, and in this capacity are usually called color filters.<. Used . br />
Similar colors may vary between different companies' formulations - for instance, they all have a color named 'bastard amber', yet Rosco's bastard amber is different from Lee's is different from G...Conventional Lighting
- Conventional lighting is made up of stationary lights that can be moved, but only via manual means of adjusting, or focusing the fixture with a yoke.. Used . . Used . ...Large Format Mixers
- Large format mixers are audio mixers having more than 24 channels for input/output.. Used . . Used . ...