In the domain between these levels of luminance both cones and rods are used

In the domain between these levels of luminance both

This preview shows page 90 - 92 out of 97 pages.

used in night vision. In the domain between these levels of luminance both cones and rods are used, and this is described as mesopic vision. The definition of photometric quantities and units can be found in the International Lighting Vocabulary , CIE publication 17.4 (1987) or in the International Electrotechnical Vocabulary , IEC publication 50, chapter 845: lighting. Principles governing photometry, Monographie BIPM, 1983, 32 pp.
Image of page 90