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  2. Lens flare - Wikipedia

    en.wikipedia.org/wiki/Lens_flare

    Lens flare on Borobudur stairs to enhance the sense of ascending. A lens flare is often deliberately used to invoke a sense of drama. A lens flare is also useful when added to an artificial or modified image composition because it adds a sense of realism, implying that the image is an un-edited original photograph of a "real life" scene.

  3. Explosive lens - Wikipedia

    en.wikipedia.org/wiki/Explosive_lens

    An explosive lens —as used, for example, in nuclear weapons —is a highly specialized shaped charge. In general, it is a device composed of several explosive charges. These charges are arranged and formed with the intent to control the shape of the detonation wave passing through them. The explosive lens is conceptually similar to an optical ...

  4. Baily's beads - Wikipedia

    en.wikipedia.org/wiki/Baily's_beads

    The Baily's beads, diamond ring or more rarely double diamond ring effects, [ 1] are features of total and annular solar eclipses. Although caused by the same phenomenon, they are distinct events during these types of solar eclipses. As the Moon covers the Sun during a solar eclipse, the rugged topography of the lunar limb allows beads of ...

  5. Circle of confusion - Wikipedia

    en.wikipedia.org/wiki/Circle_of_confusion

    In optics, a circle of confusion (CoC) is an optical spot caused by a cone of light rays from a lens not coming to a perfect focus when imaging a point source. It is also known as disk of confusion, circle of indistinctness, blur circle, or blur spot . In photography, the circle of confusion is used to determine the depth of field, the part of ...

  6. Backscatter (photography) - Wikipedia

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

    Backscatter (photography) The backscatter of the camera's flash by motes of dust causes unfocused orb-shaped photographic artifacts. In photography, backscatter (also called near-camera reflection [1]) is an optical phenomenon resulting in typically circular artifacts on an image, due to the camera's flash being reflected from unfocused motes ...

  7. Caustic (optics) - Wikipedia

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

    Caustic (optics) In optics, a caustic or caustic network [1] is the envelope of light rays which have been reflected or refracted by a curved surface or object, or the projection of that envelope of rays on another surface. [2] The caustic is a curve or surface to which each of the light rays is tangent, defining a boundary of an envelope of ...

  8. Ring flash - Wikipedia

    en.wikipedia.org/wiki/Ring_flash

    A ring flash is a circular light that is often operated with a camera lens in the center to take photographs. Unlike point light sources, a ring flash can illuminate a subject with minimal shadows by closely and evenly surrounding the optical axis of the camera lens. This makes it a popular choice for various types of photography, including ...

  9. Those About to Die review: Anthony Hopkins swords and ... - AOL

    www.aol.com/news/those-die-review-anthony...

    3/5 Prime Video epic, also starring Tom Hughes and Jojo Macari, depicts a Rome full of heaving bosoms and gladiators wearing little more than a thong, their muscles gleaming in the Golden Hour light

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