Do we need 8K? First, a short journey to the past. A similar debate was heard over 4K. It turns out we did in fact need Ultra HD. The quality of 1080p on high resolution sensors wasn’t fantastic. Pixel binning. Line skipping. 4K was a way to get a full pixel readout and oversampling for a more film-like image, with less brittle look, fewer hard edges. Now we have affordable…