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  2. Close-up lens - Wikipedia

    en.wikipedia.org/wiki/Close-up_lens

    That distance is sometimes given on the filter in millimeters. A +3 close-up lens has a maximal working distance of 0.333 m or 333 mm. The magnification is the focal distance of the objective lens (f) divided by the focal distance of the close-up lens; i.e., the focal distance of the objective lens (in meters) multiplied by the diopter value (D) of the close-up lens:

  3. Depth of field - Wikipedia

    en.wikipedia.org/wiki/Depth_of_field

    Minox LX camera with hyperfocal red dot Nikon 28mm f /2.8 lens with markings for the depth of field. The lens is set at the hyperfocal distance for f /22. The orange mark corresponding to f /22 is at the infinity mark (∞). Focus is acceptable from under 0.7 m to infinity. Minolta 100–300 mm zoom lens. The depth of field, and thus hyperfocal ...

  4. Hyperfocal distance - Wikipedia

    en.wikipedia.org/wiki/Hyperfocal_distance

    In optics and photography, hyperfocal distance is a distance from a lens beyond which all objects can be brought into an "acceptable" focus. As the hyperfocal distance is the focus distance giving the maximum depth of field, it is the most desirable distance to set the focus of a fixed-focus camera. [1]

  5. Canon EF lens mount - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_lens_mount

    It is used for setting the lens to either autofocus mode, or manual focus. When set to autofocus mode (AF), the lens will autofocus when directed to by the camera. When set to manual focus (MF), the lens is focused using the Focusing ring. Some lenses support full-time manual focusing (FT-M), which allows the photographer to focus the lens ...

  6. Gameplay of World of Warcraft - Wikipedia

    en.wikipedia.org/wiki/Gameplay_of_World_of_Warcraft

    World of Warcraft Cosmic Map, showing Azeroth (bottom right corner) and Outland (top left corner) In a change from the previous Warcraft games produced by Blizzard, World of Warcraft is a massively multiplayer online role-playing game (MMORPG) where thousands of players can interact with each other. Despite this change, the game draws many ...

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  8. Guide number - Wikipedia

    en.wikipedia.org/wiki/Guide_number

    Thus, a camera with a fastest shutter speed of 1 / 400 th of a second (one that began exposures 18.75 ms after a bulb was fired with M sync triggering), and which was set to 1 / 25 th of a second, would close its shutter 59 ms after triggering a flashbulb (18.75 ms + 40 ms = 58.75 ms) and would achieve the maximum rated guide number from the No ...

  9. World of Warcraft - Wikipedia

    en.wikipedia.org/wiki/World_of_Warcraft

    World of Warcraft (WoW) is a 2004 massively multiplayer online role-playing (MMORPG) video game developed and published by Blizzard Entertainment for Windows and Mac OS X.Set in the Warcraft fantasy universe, World of Warcraft takes place within the world of Azeroth, approximately four years after the events of the previous game in the series, Warcraft III: The Frozen Throne. [3]