Patent ID: 8331021

Claim:
An optical sight having a coaxial illumination function comprising: an outer barrel unit extending about an axis and having a front end and a rear end; an objective lens unit mounted to said front end of said outer barrel unit and having a first optical axis; an ocular lens unit mounted to said rear end of said outer barrel unit; a magnification unit disposed in and on said outer barrel unit between said objective lens unit and said ocular lens unit, said magnification unit having a second optical axis; an illumination unit disposed on said magnification unit and which includes a light source spaced apart from said second optical axis, and a reflective element for projecting emitted light, which is emitted from said light source, onto said objective lens unit; wherein said light source and said reflective element are disposed and configured such that the emitted light is projected onto said objective lens unit substantially along the second optical axis, the emitted light being formed into parallel light after passing through said objective lens unit, the parallel light being substantially parallel with the first optical axis and being projected onto a target.