Roof Prism Amici Prism
A roof prism is a reflective optical prism containing a section where two faces meet at a 90° angle. Reflection from the two 90° faces returns an image that is flipped laterally across the axis wher...
Parabolic Mirrors
Parabolic reflectors are used to collect energy from a distant source (for example sound waves or incoming star light). Since the principles of reflection are reversible, parabolic reflectors can also...