nodal point

no·dal point

one of two points in a compound optic system so related that a ray directed toward the first point will appear to have passed through the second point parallel to its original direction. Synonym(s): axial point

no·dal point

(nō'dăl poynt) One of two points in a compound optic system so related that a ray directed toward the first point will appear to have passed through the second point parallel to its original direction.
Synonym(s): axial point.

nodal point

Either of a pair of points situated on the axis of an optical system so that any incident ray sent through one will produce a parallel emergent ray sent through the other.See also: point

单词	nodal point
释义	DictionarySeepoint nodal point no·dal point one of two points in a compound optic system so related that a ray directed toward the first point will appear to have passed through the second point parallel to its original direction. Synonym(s): axial point no·dal point (nō'dăl poynt) One of two points in a compound optic system so related that a ray directed toward the first point will appear to have passed through the second point parallel to its original direction. Synonym(s): axial point. nodal point Either of a pair of points situated on the axis of an optical system so that any incident ray sent through one will produce a parallel emergent ray sent through the other.See also: point FinancialSeePoint
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