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2. Perfect mirror - Wikipedia

   en.wikipedia.org/wiki/Perfect_mirror

   A very complex dielectric mirror can reflect up to 99.999% of the light incident upon it, for a narrow range of wavelengths and angles. A simpler mirror may reflect 99.9% of the light, but may cover a broader range of wavelengths. Almost any dielectric material can act as a perfect mirror through total internal reflection. This effect only ...

3. Non-reversing mirror - Wikipedia

   en.wikipedia.org/wiki/Non-reversing_mirror

   A non-reversing mirror can be made by connecting two regular mirrors at their edges at a 90° angle. If the joint is positioned so that it is vertical, an observer looking into the angle sees a non-reversed image. Such an image is visible while looking toward the corner where the two mirrors meet.

4. K-Mirror (optics) - Wikipedia

   en.wikipedia.org/wiki/K-Mirror_(Optics)

   A K-mirror is a system of 3 plane mirrors mounted on a common motor axis which runs parallel to the chief ray of the system. If looking at the system parallel to the mirror surfaces, where only the edges of the mirrors remain visible, the middle mirror and the front and back mirror look like the backbone and legs of a capital-K; this illustrates the origin of the name.

5. Angle of view (photography) - Wikipedia

   en.wikipedia.org/wiki/Angle_of_view_(photography)

   In photography, angle of view (AOV) [1] describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view . It is important to distinguish the angle of view from the angle of coverage , which describes the angle range that a lens can image on a given image sensor or ...

6. Mirror - Wikipedia

   en.wikipedia.org/wiki/Mirror

   A mirror reflecting the image of a vase A first-surface mirror coated with aluminium and enhanced with dielectric coatings. The angle of the incident light (represented by both the light in the mirror and the shadow behind it) exactly matches the angle of reflection (the reflected light shining on the table). 4.5-metre (15 ft)-tall acoustic mirror near Kilnsea Grange, East Yorkshire, UK, from ...

7. Anamorphosis - Wikipedia

   en.wikipedia.org/wiki/Anamorphosis

   The deformed picture relies on laws regarding angles of incidence of reflection. The length of the flat drawing's curves are reduced when viewed in a curved mirror, such that the distortions resolve into a recognizable picture. Unlike perspective anamorphosis, catoptric images can be viewed from many angles.

8. AOL Mail - AOL Help

   help.aol.com/products/aol-webmail

   Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

9. Foucault knife-edge test - Wikipedia

   en.wikipedia.org/wiki/Foucault_knife-edge_test

   Viewing the mirror from behind the knife edge shows a pattern on the mirror surface. If the mirror surface is part of a perfect sphere, the mirror appears evenly lighted across the entire surface. If the mirror is spherical but with defects such as bumps or depressions, the defects appear greatly magnified in height.