What is the meaning of Optical_power?
The degree to which a lens, mirror, or other optical system converges or diverges light, equal to the reciprocal of the focal length of the device.
Source: wiktionary.orgSearch words containing
The degree to which a lens, mirror, or other optical system converges or diverges light, equal to the reciprocal of the focal length of the device.
Source: wiktionary.orgSearch words containing