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  2. The best lenses for iPhone and Android phones in 2022 ... - AOL

    www.aol.com/news/best-lenses-iphone-android...

    The best lenses for iPhone and Android phones will elevate your photos and vidos giving them a more professional feel The best lenses for iPhone and Android phones in 2022: add-on phone lenses ...

  3. Polarized 3D system - Wikipedia

    en.wikipedia.org/wiki/Polarized_3D_system

    The two images are projected through different polarizers and superimposed on the screen. This is a very cost-effective way to convert a theater for 3-D as all that is needed are the attachments and a non-depolarizing screen surface, rather than a conversion to digital 3-D projection. Thomson Technicolor currently produces an adapter of this ...

  4. iPhone X - Wikipedia

    en.wikipedia.org/wiki/IPhone_X

    The iPhone X (Roman numeral "X" pronounced "ten" [13]) is a smartphone that was developed and marketed by Apple Inc. It is part of the 11th generation of the iPhone. Available for pre-order from September 26, 2017, it was released on November 3, 2017. The naming of the iPhone X (skipping the iPhone 9 and 9s) marked the 10th anniversary of the ...

  5. Anti-reflective coating - Wikipedia

    en.wikipedia.org/wiki/Anti-reflective_coating

    Uncoated glasses lens (top) versus lens with anti-reflective coating. The reflection from the coated lens is tinted because the coating works better at some wavelengths than others. An antireflective , antiglare or anti-reflection ( AR ) coating is a type of optical coating applied to the surface of lenses , other optical elements, and ...

  6. Thin lens - Wikipedia

    en.wikipedia.org/wiki/Thin_lens

    A lens may be considered a thin lens if its thickness is much less than the radii of curvature of its surfaces (d ≪ | R 1 | and d ≪ | R 2 |).. In optics, a thin lens is a lens with a thickness (distance along the optical axis between the two surfaces of the lens) that is negligible compared to the radii of curvature of the lens surfaces.

  7. Gradient-index optics - Wikipedia

    en.wikipedia.org/wiki/Gradient-index_optics

    A gradient-index lens with a parabolic variation of refractive index (n) with radial distance (x).The lens focuses light in the same way as a conventional lens. Gradient-index (GRIN) optics is the branch of optics covering optical effects produced by a gradient of the refractive index of a material.