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  2. Optical coating - Wikipedia

    en.wikipedia.org/wiki/Optical_coating

    Optical coating. An optical coating is one or more thin layers of material deposited on an optical component such as a lens, prism or mirror, which alters the way in which the optic reflects and transmits light. These coatings have become a key technology in the field of optics. One type of optical coating is an anti-reflective coating, which ...

  3. Prism lighting - Wikipedia

    en.wikipedia.org/wiki/Prism_lighting

    Prism tiles were often made of single prisms joined with zinc, lead, or electroglazed copper strips (rather like the methods used to join traditional European stained glass ). [1] Sidewalk prisms were cast in one piece as single or multiple-prism lenses, and inserted into load-bearing frames. Daylight redirecting film is made of acrylic. [10]

  4. Zenni Optical - Wikipedia

    en.wikipedia.org/wiki/Zenni_Optical

    He noted that the company was unable to support his prescription that required both prism correction and progressive lens so he had to purchase two glasses. After receiving the glasses, Lazarus found that the frames "had looked pretty cool online [but] appeared a bit cheaper in person".

  5. Bronica - Wikipedia

    en.wikipedia.org/wiki/Bronica

    Bronica. Bronica also Zenza Bronica (in Japanese: ゼンザブロニカ) was a Japanese manufacturer of classic medium-format roll film cameras and photographic equipment based in Tokyo, Japan. Their single-lens reflex (SLR) system-cameras competed with Pentax, Hasselblad, Mamiya and others in the medium-format camera market.

  6. Aberrations of the eye - Wikipedia

    en.wikipedia.org/wiki/Aberrations_of_the_eye

    Aberrations of the eye. The eye, like any other optical system, suffers from a number of specific optical aberrations. The optical quality of the eye is limited by optical aberrations, diffraction and scatter. [1] Correction of spherocylindrical refractive errors has been possible for nearly two centuries following Airy's development of methods ...

  7. Aspheric lens - Wikipedia

    en.wikipedia.org/wiki/Aspheric_lens

    Aspheric lenses are also sometimes used for eyeglasses. Aspheric eyeglass lenses allow for crisper vision than standard "best form" lenses, mostly when looking in other directions than the lens optical center. Moreover, the reduction of the magnification effect of a lens may help with prescriptions that have different powers in the 2 eyes ( anisometropia ). Not related to the optical quality ...