Overhead Classroom Projector Model 1840 by 3M
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Overhead Classroom Projector Model 1840 by 3M Overview
Capture the attention your audience. The feature-rich 3M Overhead Projector Model 1840 looks good in boardrooms and classrooms, too. It comes with an open singlet head, wide-angle lens, and 2, 500 lumens for image optimization. It also packs a convenient lamp changer that easily switches to spare lamp for uninterrupted presentations, practical lamp ejector that makes replacing lamps simple, thermostat that prevents overheating, lamp interrupt that shuts off power to lamp - when changing lamps - to prevent premature lamp failure, convenient fold-down post that makes storing and moving easy, and handy power-cord wrap.
Overhead Classroom Projector Model 1840 by 3M Feature
- Open singlet (one element), wide angle lens
- Focal Length 11.5" (293mm)
- Illumination 2,500 lumens
- Stage Aperture 10.5"x10.5" (267mm x 267mm)
- Dimensions 14" (356mm) Wide 28" (711mm) High 18" (457mm) Deep
