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Camera lens
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{{Short description|Optical lens or assembly of lenses used with a camera to create images}} {{About|the optical system|the organism|Kamera lens|section=yes}} [[File:Photographic lenses front view.jpg|thumb|upright=1.3|Different kinds of camera lenses, including wide angle, telephoto and speciality]] A '''camera lens''', '''photographic lens''' or '''photographic objective''' is an optical [[lens (optics)|lens]] or assembly of lenses (compound lens) used in conjunction with a [[camera]] body and mechanism to [[Imaging|make images]] of objects either on [[photographic film]] or on other media capable of storing an image [[Photosensitivity|chemically]] or [[Image sensor|electronically]]. There is no major difference in principle between a lens used for a [[still camera]], a [[video camera]], a [[telescope]], a [[microscope]], or other apparatus, but the details of design and construction are different. A lens might be permanently fixed to a camera, or it might be [[interchangeable lens camera|interchangeable]] with lenses of different [[focal length]]s, [[aperture]]s, and other properties. While in principle a [[simple lens|simple convex lens]] will suffice, in practice a compound lens made up of a number of optical lens elements is required to correct (as much as possible) the many [[optical aberration]]s that arise. Some aberrations will be present in any lens system. It is the job of the lens designer to balance these and produce a design that is suitable for photographic use and possibly mass production.
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