When I left you all hanging (
Choosing the Right Projector for a WOW! Experience), before the then upcoming excitement / chaos of the holiday season plus the big, annual CES, a few topics on projectors and screens were still open.
In Part 1 I mentioned the subject of screen-to-viewer distance vs screen size, and how it might relate to image resolution. In theory you should be able to sit closer to the screen with a 4K source than with high definition at 2K. Since the distance vs. viewing angle results from most on-line calculation tables (including the one recommended in Part 1) assumes 2K resolution, you can confidently use them for 4K sources, or even move a foot or two closer to see if this offers any advantages. But keep in mind that most of today’s “4K” sources have been upscaled, at the production end, from 2K originals. The 4K you see on your screen will present a finer pixel structure, and thus perhaps slightly smoother images than 2K, but likely no increase in genuine detail...
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