Assertion: lens's length | /r/HasProperty | normal
Facets:
value: in cinematography
type: OTHER
Source sentences:
text: For a 35mm camera with a diagonal of 43mm, the most commonly used normal lens is 50mm, but focal lengths between about 40 and 58mm are also considered normal.
text: Lenses included with most digital cameras have a normal length.
text: On a full-frame camera, the switch from wide-angle to telephoto happens around the 50mm mark, with lenses near 50mm being referred to as “normal” focal lengths.
text: Originally kit lenses were of normal focal length; more recently kit lenses tend to be inexpensive zoom lenses that range from medium wide angle to mid telephoto for added versatility.
text: In cinematography, a focal length roughly equivalent to twice the diagonal of the image projected within the camera is considered normal, since movies are typically viewed from a distance of about twice the screen diagonal.