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  2. Orthokeratology - Wikipedia

    en.wikipedia.org/wiki/Orthokeratology

    Orthokeratology lens. Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology, Cornea Corrective Contacts, Eccentricity Zero Molding, and Gentle Vision Shaping System (GVSS), is the use of gas-permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia ...

  3. History of photographic lens design - Wikipedia

    en.wikipedia.org/wiki/History_of_photographic...

    However, for the record: the first autofocus lens for a still camera was the Konishiroku Konica Hexanon 38mm f/2.8 [171] built into the Konica C35 AF (1977, Japan) 35mm point-and-shoot; the first autofocus lens for an SLR camera was the unnamed 116mm f/8 [172] built into the Polaroid SX-70 Sonar (1978, USA) instant film SLR; the first ...

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  5. Achromatic lens - Wikipedia

    en.wikipedia.org/wiki/Achromatic_lens

    Uses an equiconvex crown glass lens (i.e. R 1 > 0 with −R 1 = R 2) and a complementary-curved second flint glass lens (with R 3 = R 2). The back of the flint glass lens is flat ( R 4 = ∞). A Littrow doublet can produce a ghost image between R 2 and R 3 because the lens surfaces of the two lenses have the same radii.

  6. Boris RED - Wikipedia

    en.wikipedia.org/wiki/Boris_RED

    Lens Blur The multi-core optimized lens blur filter emulates the circular or multi-sided iris shaped highlights that are generated with real camera lenses. Lens Shape The multi-processor accelerated BCC Lens Shape filter to generate stylized image highlights that take their shape from an alternate alpha image source.

  7. Digital single-lens reflex camera - Wikipedia

    en.wikipedia.org/wiki/Digital_single-lens_reflex...

    A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor.

  8. Mamiya 645 - Wikipedia

    en.wikipedia.org/wiki/Mamiya_645

    Many "N" lenses are the same as their prior "C" or "S" lens version, but have changes to the lens coatings and a plastic aperture ring instead of metal. Some "C" lenses received a cosmetic update (removal of the chrome on the focus ring) but were not otherwise changed and did not receive a "N" marking, such as the 50mm f/4.5 and 500mm f/5.6.

  9. Boris Continuum Complete - Wikipedia

    en.wikipedia.org/wiki/Boris_Continuum_Complete

    Boris Continuum Complete is a special effects plug-in package that works in conjunction with Adobe Creative Suite, including CS6, Avid editing and finishing systems such as Sony Vegas Pro, and Apple Final Cut Pro.

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