We know PPT is using a 96 dpi value but will my image resolution be a factor if the final projecting width is indeed 26 feet?” You will need a projector bright enough to pump out an image that will be sprayed so wide, and if you are not confident that it will be able to project well enough across 26 feet, make sure you create a color scheme with plenty of contrast. This from Chantal, a friend and regular patron of PowerPoint Live... “I I am developing a presentation for a customer’s yearly meeting.