This In-Focus Ultra Long Throw Zoom Lens adds flexibility for presentations given in large venues. Use the lens when the projector needs to be positioned far away from the screen but large image size needs to be maintained. The zoom feature allows a variety of projector distances while keeping image size consistent.
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Throw to Screen Width Ratio
The throw to screen width ratio is: 3.9:1 (wide); 7.4:1 (tele)