Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content The objective is the optical element that gathers light from the object being observed and focuses the light rays Source Wikipedia Copyright information Text from Wikipedia and Wiktionary web pages quoted for educational purposes is subject to the Wikipedia Creative Commons Attribution ShareAlike Licence Snippet kind INFO Keywords optical telescope telescope aperture optics astronomy astrophotography Previous snippet Full quote In some contexts, especially in photography and astronomy, aperture refers to the diameter of the aperture stop rather than the physical stop or the opening itself. URL https://en.wikipedia.org/wiki/Aperture Next snippet For example, in a telescope, the aperture stop is typically the edges of the objective lens or mirror (or of the mount that holds it). One then speaks of a telescope as having, for example, a 100-centimeter aperture. Related snippets Related snippets (backlinks) Visit also Visit also (backlinks) Flags
