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  2. Macro photography - Wikipedia

    en.wikipedia.org/wiki/Macro_photography

    "Macro" lenses specifically designed for close-up work, with a long barrel for close focusing and optimized for high reproduction ratios, are one of the most common tools for macro photography. (Unlike most other lens makers, Nikon designates its macro lenses as "Micro" because of their original use in making microform.) Most modern macro ...

  3. Canon EF 300mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_300mm_lens

    With a 1.6x body such as the Canon EOS 650D, it provides a narrower field of view, equivalent to a 480 mm lens mounted on a 35mm frame body. This lens is most commonly used by sports and wildlife photographers, but is short enough to be use for extreme close-up portraits. Because of its rather high native magnification, it can be used for some ...

  4. 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:

  5. Lenses for SLR and DSLR cameras - Wikipedia

    en.wikipedia.org/wiki/Lenses_for_SLR_and_DSLR...

    All Nikon full-frame "FX" DSLRs have a DX-compatible mode that, by default when a DX-format lens is attached, crops the captured frames to the DX format and adjusts the viewfinder to reflect the smaller capture area. This can be overridden by the user if desired. There are basically three types of F mount Nikon lens: MF = Manual focus lenses

  6. Extension tube - Wikipedia

    en.wikipedia.org/wiki/Extension_tube

    Extension tubes without electrical contacts will not allow an electronic automatic camera to control the lens, thus disabling autofocus and in some cases forcing a user to shoot wide open unless the lens offers manual aperture control. More expensive extension tubes contain electrical contacts allowing the user to use autofocus and ...

  7. Nikonos - Wikipedia

    en.wikipedia.org/wiki/Nikonos

    Nikon Close Up Kit, which included a close-up lens that attached to the front of either the UW 28 mm, W 35 mm, or W 80mm Nikonos lenses, a frame support bracket, and three field frames (one for each lens) to produce near-macro image ratios (approx range of 1:5 to 1:3, depending on the lens in use). Third-party close-up lenses; Because the ...

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