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  2. List of soft contact lens materials - Wikipedia

    en.wikipedia.org/wiki/List_of_soft_contact_lens...

    Lenses made of PMMA are called hard lenses. [5] Soft contact lenses were first produced in 1961 by Czech chemical engineer Otto Wichterle using polyhydroxyethylmethacrylate (pHEMA), a material that achieved long-term commercial application. Lenses made of polyacrylamide were introduced in 1971. [5]

  3. Pentax cameras - Wikipedia

    en.wikipedia.org/wiki/Pentax_cameras

    Pentax is one of the few camera manufacturers still producing medium format cameras up to 1999. There are two offerings, one in the 6×7 format—the Pentax 67 II, and one in the 6×4.5 format—Pentax 645NII. Both use 120 or 220 roll film. These cameras build on the Pentax SLR design experience.

  4. Essilor - Wikipedia

    en.wikipedia.org/wiki/Essilor

    Essilor International is an international ophthalmic optics company that designs, manufactures and markets lenses to correct or protect eyesight. [1] Its headquarters is in Charenton-le-Pont (near Paris), France . It is the world's largest manufacturer of ophthalmic lenses. [2]

  5. Contact lens - Wikipedia

    en.wikipedia.org/wiki/Contact_lens

    A pair of contact lenses, positioned with the concave side facing upward. Putting contacts in and taking them out. One-day disposable contact lenses with blue handling tint in blister-pack packaging. Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic devices used ...

  6. Canon EOS 1200D - Wikipedia

    en.wikipedia.org/wiki/Canon_EOS_1200D

    Canon EOS 1300D. Canon EOS 1200D is an 18.1 megapixel digital single-lens reflex camera (DSLR) announced by Canon on 11 February 2014. [1] It is known as the EOS Kiss X70 in Japan, the EOS Rebel T5 in the Americas, and the EOS Hi in Korea. [2] [3] The 1200D is an entry-level DSLR that introduces an 18 MP sensor from the 700D and 1080p HD video ...

  7. Photography in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Photography_in_the_Philippines

    The pioneers of photography in the Philippines were Western photographers, mostly from Europe.The practice of taking photographs and the opening of the first photo studios in Spanish Philippines, from the 1840s to the 1890s, were driven by the following reasons: photographs were used as a medium of news and information about the colony, as a tool for tourism, as an fork anthropology, as a ...

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