Collimator sight
Videos
A collimator sight is a type of optical sight that allows the user looking into it to see an illuminated aiming point aligned with the device the sight is attached to, regardless of eye position. They
M4 collimator sight on a M4 mortar
Collimator
Videos
A collimator is a device which narrows a beam of particles or waves. “To narrow” can mean either to cause the directions of motion to become more aligned in a specific direction, or to cause the spati
Collimators used to record gamma rays and neutrons from a nuclear test.
Collimator for a neutron stream, University of Washington cyclotron