Throw Ratio 0.39:1 E.g., If distance from projector to screen is 86.64cm, then the image size is 100''. Throw Ratio 1.2:1 E.g., If distance from projector to screen is 266.58cm, then the image size is ...

ISO lumens: ISO lumen is a projector standard brightness detection unit stipulated by the ISO organization. Light source lumens: Light source brightness refers to the "most original luminance level" ...