Patent ID: 6501541
Filing Date: 2002-12-31
Classification: G01C,G01S

Abstract:
An electronic distance meter comprising:a sighting telescope having an objective lens that sights an object; a reflection member positioned behind said objective lens on an optical axis of said objective lens; an optical distance meter which includes a light-transmitting optical system that transmits a measuring light via said reflection member and said objective lens, and a light-receiving optical system that receives a portion of said measuring light which is reflected by said object, subsequently passing through said objective lens and passing around said reflection member; a phase-difference detection focus detecting device which detects a focus state from a correlation between a pair of images respectively formed by two light bundles which are respectively passed through two different pupil areas on said objective lens; and at least one optical element, positioned outside said two different pupil areas, that deflects said portion of said measuring light which is reflected by said object, toward an optical axis of said light-receiving optical system.