When renting a LCD Projector you should November 2, 2005 by John Beagle Leave a Comment match the brightness of the projector to your audience and room size. Large rooms and audiences require high bulb strength brightness. (Projector bulb strength brightness is measured in ANSI lumens or lumens). More If you enjoyed this post, please consider leaving a comment or subscribing to the RSS feed to have future articles delivered to your feed reader.