Assertion: lens | /r/HasProperty | normal
Facets:
value: in cinematography
type: OTHER
Source sentences:
text: In cinematography, a lens of roughly twice the diagonal is considered "normal".
text: For cinematography, where the image is larger relative to viewing distance, a wider lens with a focal length of roughly a quarter of the film or sensor diagonal is considered 'normal'.
text: Technically speaking, a lens is considered standard or “normal” if it is close to the diagonal length of the camera sensor in millimeters.