How big is big enough? How bright is bright enough? These questions can leave event managers scratching their heads as they ponder the projection systems for their for meetings and training sessions. Inconveniently, the answer to both is, it depends. Seeing the image on the screen is one thing; reading it is another.
Legibility is the result of a combination of factors, including contrast, brightness, angle of view, resolution of both the projector and source device, reflectivity or "