The X319UST, is perfect for businesses, schools and colleges. It is bright (3200 lumens) and a throw ratio of 0.33:1 means that it can project a 100” image from less than 0.5m away.
The Optoma W319UST is a feature-packed WXGA next-generation ultra-short-throw projector for business and education users who demand bright widescreen WXGA projection