PTROptics.com is a beautiful laser optics site with a wealth of information.
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ptroptics.com
Description
PTR Optics is a Manufacturer and supplier of precision optical components. Our key products include diffraction gratings, HSE/NPL test slides, optical flats, filters, asbestos microscopes, graticules and laser beam delivery systems. PTR Optics has supplied components since 1971 and continues to work at the cutting edge of the optics industry.
PTR is noted for working with the National Physical Laboratory in the United Kingdom in producing the HSE test slide for phase contrast microscopy.
PTR Optic's website includes an online store featuring a selection of their products. They are also able to supply custom-made optics at competitive prices.
