- collimating point
- • координатная метка• наблюдаемая точка
English-Russian cartography dictionary. 2013.
collimating point
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principal point — As it relates to photography, it is the foot of the perpendicular to the photo plane through the perspective center. Generally, it is determined by the intersection of the lines joining opposite or diagonal collimating or fiducial marks. See also … Aviation dictionary
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