Want to know How To Work Out the Screen Size you need?

Why not download our special pdf that lets you calculate the following parameters:   find out Size of Screen that will result from a known projection distance and a known focal length of lens:  find out the Focal Length of lens required if you already know projection distance and size of screen that you wish to fill: find out the Projection Distance required for a given screen width and lens focal length. This pdf will tell you how to do it simply and with ease.  Print it out and keep it by you for future reference.