Originally Posted by nanochow
My guess is that the signal processing in the 5010 does not allow for a bit to bit mapping with a digital source, resulting in an always processed and less than ideal picture. -- Maybe Epson will be able to address this someday via firmware.
As long as you send the projector a supported resolution, of course it will display it 1:1, pixel for pixel. Make sure you have zeroed out overscan settings on both the computer and the projector, and disengage any keystone correction as well. Btw, virtually all sources today are "digital sources". If you plugged it in using HDMI, it's digital.
Also, you should not need to use any amount of Sharpness settings or detail creation (whatever Epson's name is for it) in order to see clearly defined pixels if you are looking closely at the screen. This is especially the case on the Epson since it has a fairly pronounced screen door effect.
Sharpness and detail creation are video processing techniques intended to enhance perceived
sharpness in the overall picture at normal viewing distances. They cannot enhance actual optical sharpness.
You also need to make sure you have zeroed out the physical yaw, pitch, and roll of your projector. Meaning, make sure it is aligned with your screen and not tilted or rotated in any axis. Placement errors can very easily make it difficult to impossible to focus your picture properly.
If all of the above check out, and the focus ring still will not allow you to achieve reasonably well defined visible pixels, then there is a defect in the optical elements.