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Optoma Desktop Projector EH345 - 3200 lumen
Do you need to work out what projector lens is needed? Want to calculate how big the projected image will become or how far away you need to place the projector?
Simply fill in the information that you know and calculate the missing number.
Keep the measurements in the same units, feet or meters - it does not matter - just keep them the same! | Aspect ratio 4:3 or 16:9, it does not matter. Using the screen width assumes this is the largest dimension of the screen. | Throw distance is calculated from the projector lens to the screen. | 1 metre = 3.2808399 feet
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