3M 1780 Plus Overhead Projector

The 3M Overhead Projector 1780 Plus is engineered for durability with hardened, breakresistant stage glass. The durable stage glass can result in less maintenance, interruptions and repair expenses. A closed doublet projection head makes the 3M 1780 Plus easy to focus and clean, while 2,500 lumens of light is designed to make your images clear. A convenient lamp changer facilitates an easy switch to the replacement lamp, so you and your audience are never left in the dark.