Assertion: telephoto lens's length | /r/HasProperty | 50mm
Facets:
Source sentences:
text: A normal focal length is known to be 50mm.
text: The most popular focal length is 50mm, which is supposed to be a close match to the magnification of the human eye.
text: The standard lens has a fixed focal length (50mm, 85mm, 100mm), and reproduces fairly accurately what the human eye sees – in terms of perspective and angle of view.