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  2. Nikon F6 - Wikipedia

    en.wikipedia.org/wiki/Nikon_F6

    The Nikon F6 is a 35 mm film single-lens reflex camera body manufactured by Nikon between 2004 and 2020. [1] [2] It was the sixth film camera in Nikon's 35mm F-series SLR line-up. [3] Designed by Nikon, the model was manufactured at their Sendai plant. [4] The F6 was the most recent and final model in Nikon's F series.

  3. Chromatic aberration - Wikipedia

    en.wikipedia.org/wiki/Chromatic_aberration

    On digital cameras, the particular demosaicing algorithm is likely to affect the apparent degree of this problem. Another cause of this fringing is chromatic aberration in the very small microlenses used to collect more light for each CCD pixel; since these lenses are tuned to correctly focus green light, the incorrect focusing of red and blue ...

  4. Troubleshooting - Wikipedia

    en.wikipedia.org/wiki/Troubleshooting

    It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms. Determining the most likely cause is a process of elimination—eliminating potential causes of a problem. Finally, troubleshooting requires confirmation that ...

  5. Focusing screen - Wikipedia

    en.wikipedia.org/wiki/Focusing_screen

    A focusing screen is a flat translucent material, either a ground glass or Fresnel lens, found in a system camera that allows the user of the camera to preview the framed image in a viewfinder. Often, focusing screens are available in variants with different etched markings for various purposes. [1] For instance, when photographing landscapes ...

  6. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    The use of over-the-counter artificial-tear solutions can reduce the effects of dry eye in CVS. Prior to using artificial tear solutions, it is necessary to check if dry eye is the actual cause of the problem (measured by a tear meniscus test) [7] or whether there are no actual symptoms of dry eye at all. Dry eyes because of CVS can also be ...

  7. List of Nikon F-mount lenses with integrated autofocus motor

    en.wikipedia.org/wiki/List_of_Nikon_F-mount...

    All Nikon zoom AF-lenses have focal length encoders added. Nikon AF-P: The lens contains a pulse motor (utilizing stepping motors) to focus smoother and quieter than previous drive systems. Nikon AF-I, Sigma/Tamron/Tokina: no designation: The lens contains an integrated focus electric motor. The Nikon type was produced from 1992 to 1996 and is ...

  8. Nikon F - Wikipedia

    en.wikipedia.org/wiki/Nikon_F

    The F was a modular system camera, with various assemblies such as viewfinders, focusing screens, and motor drives for 36-exposure and 250-exposure film cassettes.Third parties manufactured other film backs, such as two Speed Magny film backs—one using Polaroid 100 (later 600) type pack films, and another designed for 4x5 film accessories including Polaroid's own 4x5 instant film back.

  9. Optical aberration - Wikipedia

    en.wikipedia.org/wiki/Optical_aberration

    1: Imaging by a lens with chromatic aberration. 2: A lens with less chromatic aberration. In optics, aberration is a property of optical systems, such as lenses and mirrors, that causes the image created by the optical system to not be a faithful reproduction of the object being observed.