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  2. Olympus SP-510 Ultra Zoom - Wikipedia

    en.wikipedia.org/wiki/Olympus_SP-510_Ultra_Zoom

    It replaced the 6 megapixel SP-500UZ model that was launched in 2005. It was the last model of the SP-series (Special Performance) that used a 10x optical zoom lens. It was also the last of the larger-sized 10x optical ultra zoom cameras to be made by Olympus, which had been part of the C-series before the SP-series was produced.

  3. Olympus μ9000 - Wikipedia

    en.wikipedia.org/wiki/Olympus_μ9000

    The Olympus μ-9000 (also known as the 'Stylus 9000') is the flagship model of Olympus' μ-Series line of point-and-shoot digital cameras. The μ Series consists of compact cameras characterized by small profiles, an optical zoom function, and a focus on stylish outward appearance.

  4. Olympus C-765 Ultra Zoom - Wikipedia

    en.wikipedia.org/wiki/Olympus_C-765_Ultra_Zoom

    The Olympus Camedia 765 Ultra Zoom is a 4.0 megapixel camera with a 10x optical zoom manufactured by Olympus starting in 2004. [ 1 ] [ 2 ] It is powered by a lithium-ion battery . [ 3 ]

  5. Zoom lens - Wikipedia

    en.wikipedia.org/wiki/Zoom_lens

    A zoom lens is a system of camera lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed-focal-length (FFL) lens . A true zoom lens or optical zoom lens is a type of parfocal lens, one that maintains focus when its focal length changes. [1]

  6. Digital zoom - Wikipedia

    en.wikipedia.org/wiki/Digital_zoom

    The image quality has been lost. No quality is lost however, with the lens zoomed-in optically for the bottom photo. Typically, the digital zoom is not available until the optical zoom has been exhausted. Digital zoom is a method of decreasing the precise angle of view of a digital photograph or video image.

  7. List of longest smartphone telephoto lenses - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_smartphone...

    This is a list of smartphones with a telephoto lens that offers a focal length (35mm equivalent) of at least 100mm or "4× optical zoom" with an imaging area equivalent to a 1/3.5″ or larger sensor. Smartphone lenses are often marketed in terms of "optical zoom" [1] relative to the phone's main camera. For example, 120mm is usually referred ...

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  9. Magnification - Wikipedia

    en.wikipedia.org/wiki/Magnification

    Optical magnification is the ratio between the apparent size of an object (or its size in an image) and its true size, and thus it is a dimensionless number. Optical magnification is sometimes referred to as "power" (for example "10× power"), although this can lead to confusion with optical power .