The ideal projector for non-transparent materials such as original documents, books, magazines and even thin 3-D solid objects. Features high-quality VEGA optics and a detachable top cover with dimmer-override function (including special dust/slip cover). Cross-blowing fan cools stage-glass. Lens is 330mm, f=2.8; 3-element with hi-index glass with an ENX lamp. Additional features include 330 lumens light output, 3x to 8x magnification, 5' - 12' projection distance, and 40" - 108" image size. One year warranty.