Dim+light
111Calotype — or talbotype is an early photographic process introduced in 1841 by Henry Fox Talbot, using paper coated with silver iodide. The term calotype comes from the Greek el. κάλο for good , and el. τύπος for impression . How calotypes work The… …
112Two alternative forced choice — 2AFC is a abbreviation for Two Alternative Forced Choice. [Martin, G. (2006). Introduction to sound recording. Retrieved 2008, May 4, from http://www.tonmeister.ca/main/textbook/node361.html.] It is a psychophysical method for eliciting responses …
113dark adaptation — därk n the phenomena including dilation of the pupil, increase in retinal sensitivity, shift of the region of maximum luminosity toward the blue, and regeneration of rhodopsin by which the eye adapts to conditions of reduced illumination compare …
114twilight — Synonyms and related words: afterglow, alpenglow, aurora, bad light, brown of dusk, brownness, candlelight, candlelighting, cocklight, crepuscular, crepuscule, dark, darkening, darkish, darkishness, darkling, darksome, darksomeness, dawnlight,… …
115Color — This article is about the perceptual property. For other uses, see Color (disambiguation). For usage of color on Wikipedia, see Wikipedia:Colors. Colored pencils Color or colour (see spelling differences) is the visual perceptual property… …
116Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …
117colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …
118luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …
119subdued — adjective 1. in a softened tone (Freq. 3) hushed voices muted trumpets a subdued whisper a quiet reprimand • Syn: ↑hushed, ↑muted, ↑quiet …
120Color temperature — The CIE 1931 x,y chromaticity space, also showing the chromaticities of black body light sources of various temperatures (Planckian locus), and lines of constant correlated color temperature. Color temperature is a characteristic of visible light …
