Assertion: camera lens's length | /r/HasProperty | 50mm
Facets:
Source sentences:
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.
text: This means that the widest focal length of the lens is 50mm, while the longest focal length is 100mm.
text: So the “equivalent 35mm focal length” for this smartphone camera at 4mm is 50mm.
text: Focal length 50mm is the standard or normal focal length, because a 50mm lens (for 35mm cameras) covers approximately what human eyes can see.
text: focal length is 50mm.