Scotopia
CIE 1951 dark place. The horizontal axis represents (nm).
Sight seeing (Anshoshi) is the situation in the situation of small light intensity. Does not function when the light quantity is small, the vision in the dark place only occurs. Therefore, color vision does not occur in the dark. Scotopic vision, from 10-2 It occurs between 10 - 6 / m 2.
Occurs at an intermediate brightness (the brightness is 10-2 to 1 / m 2), which is a combination of scotopic vision and photopic vision. However in thinning, the ability to discriminate between colors is not necessarily accurate.
Under ordinary light intensity with luminance of about 1 to 106 / m 2, vision due to pyramidal cells is the main, which is called photopic vision. In this case, visual acuity and color discrimination are good.
In the scientific literature, the word scotopic lux is sometimes used. This is because photopic lux), which is not a photopic visuomotor function, but a dark-sight visual sensitivity function is used as a luminosity function when calculating illuminance.
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References
1. ****(2002), Lars Olof Bjorn,,
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Post Date : 2018-02-04 12:00
This article is taken from the Japanese Wikipedia Scotopia
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