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  2. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    Eye care professionals use prism correction as a component of some eyeglass prescriptions. A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions. The most common application for this is the treatment of strabismus. By moving the image in front of the deviated eye, double vision can be avoided and ...

  3. Canon EF-S 60mm f/2.8 Macro USM lens - Wikipedia

    en.wikipedia.org/.../2.8_Macro_USM_lens

    US$400 USD. The Canon EF-S 60mm f/2.8 Macro USM lens is Canon's first EF-S ( APS-C sensor-specific) macro lens, and also the company's first prime lens made specifically for the EF-S mount. Introduced in 2005, it was the only EF-S prime lens until the announcement of the EF-S 24mm f/2.8 STM in September 2014; a second EF-S macro lens, the EF-S ...

  4. Canon EF 180mm f/3.5L Macro USM lens - Wikipedia

    en.wikipedia.org/.../3.5L_Macro_USM_lens

    The Canon EF 180/3.5L Macro USM lens is the longest macro lens made by Canon in the EF mount, and is one of Canon's L series range of professional camera lenses.

  5. Canon TS-E 135mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_TS-E_135mm_lens

    The Canon TS-E 135 mm f/4L MACRO is a tilt-shift, Macro prime lens that provides the equivalent of the corresponding view camera front movements on Canon EOS camera bodies.

  6. Distortion (optics) - Wikipedia

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

    Distortion (optics) In geometric optics, distortion is a deviation from rectilinear projection; a projection in which straight lines in a scene remain straight in an image. It is a form of optical aberration .

  7. DxO ViewPoint - Wikipedia

    en.wikipedia.org/wiki/DxO_ViewPoint

    DxO ViewPoint is image geometry and lens defect correction software developed by DxO. It is designed to automatically straighten distorted perspectives caused by the lens used and the position of the photographer.

  8. Canon MP-E 65mm f/2.8 1–5x Macro - Wikipedia

    en.wikipedia.org/wiki/Canon_MP-E_65mm_f/2.8_1...

    The lens at 2x magnification, mounted on its tripod collar. The MP-E65mm f/2.8 1-5x Macro Photo is a photographic lens that was released in September 1999 and was discontinued in 2023. It was manufactured by Canon for use on the EOS photographic system. It is a manual focus lens for the EF mount and is specifically designed for macro ...

  9. Canon EF-M 28mm Macro lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF-M_28mm_Macro_lens

    The Canon EF-M 28mm f/3.5 Macro IS STM lens is an interchangeable Macro lens announced by Canon on May 11, 2016. [1] The maximum magnification of this Macro lens is 1× in Normal mode and 1.2× in Super Macro mode.

  10. Tamron SP AF 90mm f/2.8 Di 1:1 Macro - Wikipedia

    en.wikipedia.org/.../2.8_Di_1:1_Macro

    The SP AF 90mm f/2.8 Di 1:1 Macro lens is a macro lens produced by Tamron. It comes in the Canon EF-mount, Nikon F-mount, Pentax K-mount, and Sony A-mount. The lens was released in 1997. It received the European "Lens of the Year: 1997-1998" award. [1] It was mechanically and cosmetically upgraded in February 2000. [1] The lens is known for its high optical quality and reasonable price. [1] [2]

  11. Sigma 18–50mm f/2.8 EX DC Macro lens - Wikipedia

    en.wikipedia.org/wiki/Sigma_18–50mm_f/2.8_EX_DC...

    The Sigma 18-50mm f/2.8 EX DC Macro is a wide to normal angle, zoom lens made by the Sigma Corporation . The lens is produced in Canon EF mount, Four Thirds System, Nikon F-mount, Pentax K mount, the SA mount, and the Sony/Minolta AF Mount varieties, all have the same optical formula. The lens is designed for digital crop DSLR with an APS-C ...