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  2. Canon AE-1 - Wikipedia

    en.wikipedia.org/wiki/Canon_AE-1

    Accessories for the AE-1 include the Canon Winder A (motorized single frame film advance up to 2 frames per second), the Canon Databack A (sequential numbering or date stamping on the film), and the Canon Speedlite 155A (guide number 56/17 (feet/meters) at ASA 100) and Canon Speedlite 177A (guide number 83/25 (feet/meters) at ASA 100 ...

  3. PRISM - Wikipedia

    en.wikipedia.org/wiki/PRISM

    On September 12, 2014, Yahoo! reported the U.S. Government threatened the imposition of $250,000 in fines per day if Yahoo didn't hand over user data as part of the NSA's PRISM program. [127] It is not known if other companies were threatened or fined for not providing data in response to a legitimate FISA requests.

  4. Contact lens - Wikipedia

    en.wikipedia.org/wiki/Contact_lens

    Artist's impression of Leonardo's method for neutralizing the refractive power of the cornea. Leonardo da Vinci is frequently credited with introducing the idea of contact lenses in his 1508 Codex of the eye, Manual D, [9] wherein he described a method of directly altering corneal power by either submerging the head in a bowl of water or wearing a water-filled glass hemisphere over the eye.

  5. Cost per procedure - Wikipedia

    en.wikipedia.org/wiki/Cost_per_procedure

    Cost per procedure, sometimes known as price per procedure, is a medical pricing model which describes the average cost of receiving a certain medical procedure. [1] References [ edit ]

  6. Prism dioptre - Wikipedia

    en.wikipedia.org/?title=Prism_dioptre&redirect=no

    To a related topic: This is a redirect to an article about a similar topic.. Redirects from related topics are different than redirects from related words, because a related topic is more likely to warrant a full and detailed description in the target article.

  7. Prism (geometry) - Wikipedia

    en.wikipedia.org/wiki/Prism_(geometry)

    A uniform prism or semiregular prism is a right prism with regular bases and all edges of the same length. Thus all the side faces of a uniform prism are squares . Thus all the faces of a uniform prism are regular polygons.

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