dioptric

dioptric Definition

di·op·tric (dī äp′trik)

adjective

of optical lenses or the method of numbering them according to their refractive powers; dioptral
of dioptrics; refractive
helping the sight by refractive correction

Etymology: Gr dioptrikos, relating to the diopter

dioptric Usage Examples

Modifies a noun

adjustment: The binocular head has full interpupillary and dioptric adjustment.
correction: Focusing Range From 1 m. to infinity Viewfinder Optical, coupled with rangefinder, provided with dioptric correction of +/- 2D.

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