I have been viewing the Epson much closer than that - 12.5 feet back filling my entire 128" screen, which is approximately 110" wide. Theoretically, that would be just over 15 feet. I found the viewing to be fine. I never noticed any screen door effect watching football and other content - and football grass is definitely one place where you usually can spot it. At my distance, I could, however make out the pixel structure in those credits and other signage, and even in large stationary white areas, such as a large cloud, but you really have to be looking for it, to see it in all but the signage. Bottom line, a typical good 3LCD projector in this regard. If you never want to see pixel structure and not sit 1.5 times width or further back, look to DLP projectors, or the Panasonic PT-AX200U, which uses their Smooth Screen technology, but produces a softer looking image (which some will say is also more film like).