noun
- the point at which the eye is positioned when looking through an optical instrument such as a microscope or telescope
Usage: technical; also called eye relief in some contexts
Examples
- The microscope's eyepoint is positioned about one centimeter from the eyepiece lens.
- Proper alignment of the eyepoint ensures comfortable viewing through the telescope.
- Users should adjust their position to match the eyepoint of the optical device.
- The eyepoint distance varies depending on the magnification of the lens.
- Binoculars with a longer eyepoint are more comfortable for people wearing glasses.