Difference between revisions of "Photopic Vision"

From International Dictionary of Marine Aids to Navigation
Jump to navigation Jump to search
 
 
(3 intermediate revisions by one other user not shown)
Line 15: Line 15:
[[Category:Alphabetical Index]]
[[Category:Alphabetical Index]]
[[Category:IALA Dictionary 1970-89 Edition]]
[[Category:IALA Dictionary 1970-89 Edition]]
[[Category:IALA Dictionary 2023 Revision]]

Latest revision as of 13:19, 3 February 2024

2-1-330

Vision by the normal eye when adapted to levels of luminance of at least several candelas per square metre.


Note: The cone receptors of the retina are considered to be the principal active elements under these conditions, and the spectrum appears coloured.

Reference: C.I.E.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)