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  2. Abbe number - Wikipedia

    en.wikipedia.org/wiki/Abbe_number

    Abbe number. In optics and lens design, the Abbe number, also known as the V-number or constringence of a transparent material, is an approximate measure of the material's dispersion (change of refractive index versus wavelength), with high values of V indicating low dispersion. It is named after Ernst Abbe (1840–1905), the German physicist ...

  3. List of abbreviations in photography - Wikipedia

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    Exchangeable image file format. A standard format for tag data in digital camera files. [10] f: f-number, f-stop. The numerical value of a lens aperture. The ratio of the focal length of the lens divided by its effective aperture diameter. [4] FF: Full frame, where the image sensor is approximately the same size as a 35 mm film: 36 × 24 mm. FP ...

  4. Camera Image File Format - Wikipedia

    en.wikipedia.org/wiki/Camera_Image_File_Format

    DCF 1.0 (JEIDA-49-2-1998) Website. ciff-forum .com (Dead link) In digital photography, the Camera Image File Format ( CIFF) file format is a raw image format designed by Canon, and also used as a container format to store metadata in APP0 of JPEG images. [1] Its specification was released on February 12, 1997.

  5. List of Canon products - Wikipedia

    en.wikipedia.org/wiki/List_of_Canon_products

    See Canon EF lenses for the product line-up. See Canon EF-S lenses for the product line-up. EF-S lenses are built for APS-C 1.6x crop sensors, so they only work with models that use this sensor size. When EF-S lenses are used on a 35mm (full frame) camera the back element will hit the mirror assembly or cause substantial vignetting since the ...

  6. List of Canon camcorders - Wikipedia

    en.wikipedia.org/wiki/List_of_Canon_camcorders

    The L1 was the first camcorder in the world with interchangeable lenses, it uses the Canon VL Lens System. [ 14 ] The Canon L2 , LX-1T (in Japan ), or EX2Hi (in Europe ), is the successor to the L1, but is nearly identical in all but a few features such as the addition of time codes and shuttle-ring-equipped remote control.

  7. Corrective lens - Wikipedia

    en.wikipedia.org/wiki/Corrective_lens

    Corrective lens. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye.

  8. Canon EOS 1200D - Wikipedia

    en.wikipedia.org/wiki/Canon_EOS_1200D

    Canon EOS 1300D. Canon EOS 1200D is an 18.1 megapixel digital single-lens reflex camera (DSLR) announced by Canon on 11 February 2014. [ 1] It is known as the EOS Kiss X70 in Japan, the EOS Rebel T5 in the Americas, and the EOS Hi in Korea. [ 2][ 3] The 1200D is an entry-level DSLR that introduces an 18 MP sensor from the 700D and 1080p HD ...

  9. Raw image format - Wikipedia

    en.wikipedia.org/wiki/Raw_image_format

    Raw image format. A camera raw image file contains unprocessed or minimally processed data from the image sensor of either a digital camera, a motion picture film scanner, or other image scanner. [ 1][ 2] Raw files are so named because they are not yet processed, and contain large amounts of potentially redundant data.