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2. Camera lucida - Wikipedia

   en.wikipedia.org/wiki/Camera_lucida

   Camera lucida. A camera lucida is an optical device used as a drawing aid by artists and microscopists . The camera lucida projects an optical superimposition of the subject being viewed, onto the surface upon which the artist is drawing. The artist sees both scene and drawing surface simultaneously, as in a photographic double exposure.

3. Hockney–Falco thesis - Wikipedia

   en.wikipedia.org/wiki/Hockney–Falco_thesis

   According to the Hockney–Falco thesis, such optical aids were central to much of the great art from the Renaissance period to the dawn of modern art. The Hockney–Falco thesis is a theory of art history , proposed by artist David Hockney in 1999 and further advanced with physicist Charles M. Falco since 2000 (together as well as individually).

4. Porro prism - Wikipedia

   en.wikipedia.org/wiki/Porro_prism

   Double Porro prism or Porro 1 optical system. Porro prisms are most often used in pairs, forming a double Porro prism. A second prism rotated 90° with respect to the first, is placed such that light will traverse both prisms. The net effect of the prism system is a beam parallel to but displaced from its original direction, with the image ...

5. Wine Enthusiast - Wikipedia

   en.wikipedia.org/wiki/Wine_Enthusiast

   The magazine's website hosts a database of wine, beer, and spirits reviews, interviews, food and wine pairings, and industry news. [16] The company has an audience of 5.1 million across all platforms. By the end of 2015, the site was featuring a library of over 200,000 wine, beer, and spirits reviews as well as contributions by celebrities. [17]

6. Prism (optics) - Wikipedia

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

   Prism (optics) A familiar dispersive prism. An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base ...

7. Optical prism - Wikipedia

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

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8. Aberrations of the eye - Wikipedia

   en.wikipedia.org/wiki/Aberrations_of_the_eye

   Aberrations of the eye. The eye, like any other optical system, suffers from a number of specific optical aberrations. The optical quality of the eye is limited by optical aberrations, diffraction and scatter. [1] Correction of spherocylindrical refractive errors has been possible for nearly two centuries following Airy's development of methods ...

9. Dispersive prism - Wikipedia

   en.wikipedia.org/wiki/Dispersive_prism

   Dispersive prism. In optics, a dispersive prism is an optical prism that is used to disperse light, that is, to separate light into its spectral components (the colors of the rainbow ). Different wavelengths (colors) of light will be deflected by the prism at different angles. [ 1] This is a result of the prism material's index of refraction ...