Red dot sight: Difference between revisions

Revision as of 11:12, 15 November 2023

Red dot sight is a reflector sight with no magnification.

Collimator sight.

Invented by Howard Grubb.

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

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	[[File:Reddotsight.svg\|thumb\|Aiming using red dot sight]]		[[File:Reddotsight.svg\|thumb\|Aiming using red dot sight]]