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  2. List of Minolta A-mount lenses - Wikipedia

    en.wikipedia.org/wiki/List_of_Minolta_A-mount_lenses

    7-digit serial number; no CLR front filter; tripod knob to the right; [42] without "High Speed" gearing and sticker and without focus-stop buttons; optically based on an SR-mount Minolta MD Apo Tele Rokkor 300mm f / 2.8 prototype; [43] white finish Minolta AF Apo Tele 300mm f / 2.8 G [c] (later revision) 2563-100, 2563-636 [44] 25631 5-pin

  3. Pentax (lens) - Wikipedia

    en.wikipedia.org/wiki/Pentax_(lens)

    1995: Pentax introduces the world’s first fish-eye zoom lens. That lenses was the F 17-28mm F3.5-4.5 Fish-eye Zoom. [1] 2000: Pentax develops and commercializes the world's first diffractive DVD/CD-compatible hybrid pickup lens. [1] 2009: Pentax introduces the world’s first autofocus fisheye lens. That lens is the DA 10-17mm ED (IF) Fish ...

  4. Eyeglass prescription - Wikipedia

    en.wikipedia.org/wiki/Eyeglass_prescription

    Eyeglass prescription. Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.

  5. Corrective lens - Wikipedia

    en.wikipedia.org/wiki/Corrective_lens

    Corrective lens. A pair of contact lenses, positioned with the concave side facing upward. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia.

  6. Rodenstock GmbH - Wikipedia

    en.wikipedia.org/wiki/Rodenstock_GmbH

    www.rodenstock.com [1] Footnotes / references. 24 November 2020. Rodenstock GmbH (German pronunciation: [ˈʁoːdn̩ʃtɔk]) is a German manufacturer of ophthalmic lenses and frames for eyeglasses. The company, which was founded by Thuringian Josef Rodenstock in 1877, is headquartered in Munich.

  7. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

    www.aol.com/finance/free-reverse-phone-lookup-8...

    8. Spy Dialer. Spy Dialer is a free reverse phone lookup service that accesses public databases of registered phone numbers to help users find information on cell phone and landline numbers and ...

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