Screen size [diagonal]: 1.27–15.24 m (50–600 in), 1.27–5.08 m (50–200 in) with ET-DLE055, 2.54–8.89 m (100–350 in) with ET-DLE035, 2.54–10.16 m (100–400 in) with ET-DLE020, 16:10 aspect ratio
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.