 |
| |||
| relative luminosity factor; relative luminous efficiency of radiation | |||
| spectral luminous efficiency | |||
| relative luminosity factor (the ratio of the luminosity factor for a particular wavelength to the value at the wavelength of maximum luminosity); spectral-response function of the eye | |||
| photopic spectral efficacy | |||
| spektraler Hellempfindlichkeitsgrad: 2 phrases in 2 subjects |
| Electronics | 1 |
| Optics branch of physics | 1 |