Assertion: camera lens's length | /r/HasProperty | the value
Facets:
Source sentences:
text: In general, the focal length or EFL is the value that describes the ability of the optical system to focus light, and is the value used to calculate the magnification of the system.
text: In general, the focal length or EFL is the value that describes the ability of the optical system to focus light, and is the value used to calculate the magnification of the system.