Microscope with at least one beam splitter
Nonreflective articles
Optical low pass filter and imaging device using the same
Optical observation instrument having a device for...
Optical screen apparatus having alternate opaque and clear...
Rear projection screens and light filters with conformable...
Rear projection screens and light filters with conformable...
Rear projection screens and methods of making the same
Simulated high refractive index glass
Stray-light reducing device for an optical system
System, method, and apparatus for improving the stealth...
Ultrablack surfaces
Window baffles