ANSI lumens
A standardised measurement of projector brightness averaged over nine points of the image.
ANSI lumens let you compare projectors fairly. Marketing ‘LED lumens’ or ‘light source lumens’ are not equivalent and are often much higher.
Related terms
- Lumens (ANSI / ISO)The total light output of a projector; ANSI and ISO 21118 are standard measurement methods…
- Colour brightness (CLO)Brightness measured on colour images, not just white.
Put it into practice: throw-distance calculator · lumens calculator · intro to projection mapping