Definition of Diopter. Meaning of Diopter. Synonyms of Diopter

Here you will find one or more explanations in English for the word Diopter. Also in the bottom left of the page several parts of wikipedia pages related to the word Diopter and, of course, Diopter synonyms and on the right images related to the word Diopter.

Definition of Diopter

Diopter
Diopter Di*op"ter, Dioptra Di*op"tra, n. [L. dioptra, fr. Gr. ?. See 2d Dioptric.] An optical instrument, invented by Hipparchus, for taking altitudes, leveling, etc.

Meaning of Diopter from wikipedia

- A diopter sight is an aperture sight component used to ****ist the aiming of ranged weapons, mainly firearms, airguns, and crossbows. Diopters function...
- A dioptre (British spelling) or diopter (American spelling), symbol dpt or D, is a unit of measurement with dimension of reciprocal length, equivalent...
- up diopter in Wiktionary, the free dictionary. In modern usage, diopter or dioptre is a measure of the optical power of an optical system. Diopter may...
- to achieve the illusion of deep focus with optical tricks (split-focus diopter) or by compositing two or more images together. The opposite of deep focus...
- heavier recoil buffer for increased reliability and a 200-500m rotary diopter rear sight. The Ak 4 was manufactured from 1965 to 1985 by both Carl Gustafs...
- 20 m (21.9 yd) increments. For low-visibility use, a reversible clip-on diopter with two self-luminous tritium-powered inserts (later carbon-14, one-side...
- it is designed. In old texts, the speculum may also be referred to as a diopter or dioptra. Like an endoscope, a speculum allows a view inside the body;...
- rifles. To obtain a usable sighting line, the diopter has to have a complementing rear sight element. Diopter and globe sighting lines are commonly used...
- Farsighted for Two Diopters (Bulgarian: Два Диоптъра Далекогледство / Dva Dioptara Dalekogledstvo) is a 1976 Bulgarian comedy film directed by Petar B...
- specified by their optical power in diopters, the reciprocal of the focal length in meters. For a close-up lens, the diopter value is positive: the bigger the...