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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. 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 ...

  4. Metering mode - Wikipedia

    en.wikipedia.org/wiki/Metering_mode

    If the camera allows a user to move the focus point off the image center, metering will occur around the new focus location. Although promoted as a feature, center-weighted metering was originally a consequence of the meter reading from the focusing screen of SLR cameras. Light scatter from the focusing screen and proximity of the meter cell ...

  5. 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.

  6. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    Computer vision syndrome (CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.

  7. Troubleshooting AOL Desktop Gold

    help.aol.com/articles/aol-desktop-troubleshooting

    If AOL Desktop Gold is running slowly, try the solutions listed below. After trying a solution, please see if the problem with your Desktop Gold is fixed. If it's not, please continue to the next solution until the problem is fixed. Exit and restart Desktop Gold • If the issue still exists, proceed to the next step.

  8. 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 ...

  9. Nikon F-601 - Wikipedia

    en.wikipedia.org/wiki/Nikon_F-601

    The Nikon F-601, otherwise known as the Nikon N6006, is a 35mm single-lens reflex (SLR) film camera that was produced by Nikon starting in 1990. [1] The F601 featured an improved second-generation autofocus system, motor drive for automatic film advance, a built-in pop-up electronic flash, a top shutter speed of 1/2000 of a second, and a new ...