Assertion: lens | /r/HasProperty | rotated 90 degrees
Facets:
value: essentially
type: DEGREE
Source sentences:
text: Other lenses had to be created for film projectors, which also used cylindrical elements of the same squeeze factor, only these lenses are essentially rotated 90 degrees so that when the squeezed image on the film passes through the projector’s lens, the image is de-squeezed and appears normal on the screen.