The SI unit of luminous flux, equal to the amount of light emitted per second in a unit solid angle of one steradian from a uniform source of one candela. Larger screen and rooms will require projectors with a higher lumen output.
The SI unit of luminous flux, equal to the amount of light emitted per second in a unit solid angle of one steradian from a uniform source of one candela. Larger screen and rooms will require projectors with a higher lumen output.