Originally Posted by JackB
There are three ways to focus a projector generally. One is to use an internal test pattern if it is offered. Another is to use a BR disc like Kane's Digital essentials, and a third is to use pieces of the projected image like the "List" of recordings on Directv. The text is white and the pixels can clearly show their lines when focused finely.
Is there any reason to use one or the other when focusing?
Depending on which projector and screen you have, assuming your screen is capable of resolving it, my favorite way to focus the projector has been to put up an image that has text on it but is mostly white and to focus the pixel grid into sharp focus standing right up against the screen. You can see the pixel grid in the white.
Video: JVC RS4500 135" screen in pure black room no light, htpc nvidia 1080ti.
Audio: Anthem mrx720 running 7.1.4, McIntosh MC-303, MC-152, B&W 802d3 LR, B&W HTM1D3 center, B&W 805d3 surround, B&W 702S2 rear, B&W 706s2 x 4 shelf mounted for atmos, 2 sub arrays both infinite baffle: 4x15 fi audio running on behringer ep4000 + 4x12 fi audio running on 2nd ep4000.