Enjoy bright images at short distances with the Optoma X309ST 3700-Lumen XGA Short-Throw Classroom & Conference Room DLP Projector. Its native 1024 x 768 resolution displays data and images clearly at various viewing distances, while its 25,000:1 dynamic contrast ratio helps enhance detail in dark images. Its short 0.62:1 throw ratio allows you to place the projector just a few feet from your screen or wall for virtually shadow-free presentations.