Red dot sight: Difference between revisions
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== Theory == | == Theory == | ||
[[File:Reddotsight.svg|thumb|Aiming using red dot sight]] | |||
Spherical partially reflecting mirror. | Spherical partially reflecting mirror. | ||
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Optical system can be made to compensate for off axis spherical aberration. | Optical system can be made to compensate for off axis spherical aberration. | ||
the Grubb’s reflector | |||
== References == | == References == |
Revision as of 14:10, 14 November 2023
Introduction
Red dot sight is a reflector sight with no magnification.
Collimator sight.
Invented by Howard Grubb.
Theory

Spherical partially reflecting mirror.
Parallax free only at infinity, see
Optical system can be made to compensate for off axis spherical aberration.
the Grubb’s reflector