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  2. Lenticular lens - Wikipedia

    en.wikipedia.org/wiki/Lenticular_lens

    Lenticular printing is a multi-step process consisting of creating a lenticular image from at least two existing images, and combining it with a lenticular lens. This process can be used to create various frames of animation (for a motion effect), offsetting the various layers at different increments (for a 3D effect), or simply to show a set ...

  3. History of photographic lens design - Wikipedia

    en.wikipedia.org/wiki/History_of_photographic...

    Early photographic camera lenses (1800–1890) Biconvex (or double convex) lens with aperture stop in front of it. The early photographic experiments of Thomas Wedgwood, Nicéphore Niépce, Henry Fox Talbot, and Louis Daguerre all used simple single-element convex lenses. [2]: 55 These lenses were found lacking.

  4. Monocle - Wikipedia

    en.wikipedia.org/wiki/Monocle

    A monocle is a type of corrective lens used to correct or enhance the visual perception in only one eye. It consists of a circular lens placed in front of the eye and held in place by the eye socket itself. Often, to avoid losing the monocle, a string or wire is connected to the wearer's clothing at one end and, at the other end, to either a ...

  5. Carl Zeiss Planar 50mm f/0.7 - Wikipedia

    en.wikipedia.org/wiki/Carl_Zeiss_Planar_50mm_f/0.7

    The Carl Zeiss Planar 50mm f/0.7 is one of the largest relative aperture (fastest) lenses in the history of photography. [1] The lens was designed and made specifically for the NASA Apollo lunar program to capture the far side of the Moon in 1966. [2][3][better source needed][4] Stanley Kubrick used these lenses when shooting his film Barry ...

  6. Bifocals - Wikipedia

    en.wikipedia.org/wiki/Bifocals

    Bifocals. A bifocal lens with areas of differing magnification. Bifocals with separate lenses. In this case, the Swedish ethnologist Jan-Öjvind Swahn [sv]. Bifocals are eyeglasses with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism.

  7. History of optics - Wikipedia

    en.wikipedia.org/wiki/History_of_optics

    History of optics. Modern ophthalmic lens making machine. Optics began with the development of lenses by the ancient Egyptians and Mesopotamians, followed by theories on light and vision developed by ancient Greek philosophers, and the development of geometrical optics in the Greco-Roman world. The word optics is derived from the Greek term ...

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