It's all to do with the res. Any video can be downsampled to 300x300, for instance, but computer images need to fit the projector's resolution. My projector (Ep

It's all to do with the res. Any video can be downsampled to 300x300, for instance, but computer images need to fit the projector's resolution. My projector (Epson EMP TW20) is about 800x600 and so in 1400x1050 (which it automatically downsizes), the fonts are hard to read. In 800x600, it's perfect for any computer image you can think of.