Projector Keystone and Lens Shift: Fixing Trapezoids
Setting up a projector may seem straightforward—aim it at a screen, plug it in, and watch. But in reality, achieving a perfectly aligned and distortion-free image involves a bit more finesse. Anyone who has tried to use a projector off-center or in a tight space knows this challenge well: the annoying trapezoid-shaped image, skewed perspectives, …