Traditional Culture Encyclopedia - Photography and portraiture - What does lux mean?
What does lux mean?
1. LX refers to LX57, a Lexus model, which uses the chassis design of Toyota Land Cruiser, so it has similar body size. The car body is 5.14 meters long, 1.97 meters wide and 1.92 meters high. For it, the parking space on the roadside is very narrow.
2. lux (legal symbol lx) is the unit of illuminance. When the luminous flux of an object irradiated by light is 1 lux in an area of 1 square meter, its illuminance is 1 lux, and the illuminance suitable for reading and sewing is about 5 lux.
illuminance and lux
illuminance can be directly measured by an illuminance meter. The unit of illumination is lux, which is a transliteration of English lux and can also be written as X. When the luminous flux of an object irradiated by light is 1 lux in an area of 1 square meter, its illuminance is 1 lux.
sometimes, in order to make full use of the light source, a reflector is often attached to the light source, so that more luminous flux can be obtained in some directions to increase the illumination on this illuminated surface. Such as car headlights, flashlights, photographic lights, etc.
the above contents refer to: Baidu Encyclopedia -LX, Baidu Encyclopedia-Lux.
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