Achromatic Websites:

  • Karl Lambrecht Corporation, Polarization Components, Polarizing Beam Splitters

    Unpolarized light is split into linear by a polarizer and then to elliptical ( general form ) by a waveplate and to -p and -s components by a polarizing cube. We make such...

  • D & G Optical - High quality lenses, mirrors and components for the optical...

    D & G Optical is a provider of high quality lenses, mirrors and components for the optical industry. Refractors, Objective lenses, optical assembly units, focusers and more are...

  • Neil English's world of Refractors

    Dedicated to classic telescopes and converging science with the Christain Faith, particularly the classical achromatic refractor. The articles found on this website describe the...