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  2. Beyond the Black Rainbow - Wikipedia

    en.wikipedia.org/wiki/Beyond_the_Black_Rainbow

    The institute's plethora of reflecting surfaces – the walls in the hallways, the giant piece of glass in the therapy room, the infinity-mirrored Sentionaut room, Margo's glasses [16] – might somewhat hint at this idea. To many ancient cultures, the mirror was a symbol of self-awareness, consciousness and intelligence, but also a source of ...

  3. Dichroic prism - Wikipedia

    en.wikipedia.org/wiki/Dichroic_prism

    A trichroic prism assembly Dichroic prism. A dichroic prism is a prism that splits light into two beams of differing wavelengths (colour). [1] A trichroic prism assembly combines two dichroic prisms to split an image into 3 colours, typically as red, green and blue of the RGB colour model.

  4. Photographic lens design - Wikipedia

    en.wikipedia.org/wiki/Photographic_lens_design

    The design of photographic lenses for use in still or cine cameras is intended to produce a lens that yields the most acceptable rendition of the subject being photographed within a range of constraints that include cost, weight and materials.

  5. Cauchy's equation - Wikipedia

    en.wikipedia.org/wiki/Cauchy's_equation

    The most general form of Cauchy's equation is = + + +,where n is the refractive index, λ is the wavelength, A, B, C, etc., are coefficients that can be determined for a material by fitting the equation to measured refractive indices at known wavelengths.

  6. List of optometric abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_optometric...

    Prism dioptre D: Dioptres DC: Dioptres cylinder DNA: Did not attend DOB: Date of birth DS: Dioptres sphere DV: Distance vision DVD: Dissociated vertical deviation EF: Eccentric fixation FB: Foreign body FD: Fixation disparity FF: Foveal fixation FHG: Family history of glaucoma: FMH: Family medical history FOH: Family ocular history F/U: Follow ...

  7. Amici prism - Wikipedia

    en.wikipedia.org/wiki/Amici_prism

    An Amici prism, named for the astronomer Giovanni Battista Amici, is a type of compound dispersive prism used in spectrometers.The Amici prism consists of two triangular prisms in contact, with the first typically being made from a medium-dispersion crown glass, and the second from a higher-dispersion flint glass.

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