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  2. History of the single-lens reflex camera - Wikipedia

    en.wikipedia.org/wiki/History_of_the_single-lens...

    Rectaflex (Italy): first SLR camera equipped with a pentaprism for eye-level viewing. The first prototype of the Rectaflex was presented by Telemaco Corsi at the Milano Fair in April 1947. It was a wooden mock-up, with a mirror eye-level finder. This first prototype used a five-facet roof optic prism giving a left to right inverted image.

  3. Human eye - Wikipedia

    en.wikipedia.org/wiki/Human_eye

    The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance. Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device. It is approximately spherical in shape, with its outer ...

  4. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers. Liquid crystals do not emit light directly [1] but instead use a backlight or reflector to produce images in color or monochrome.

  5. Ravens' Kyle Van Noy rips Chiefs medical staff after injury ...

    www.aol.com/ravens-kyle-van-noy-rips-000425917.html

    Baltimore Ravens linebacker Kyle Van Noy was "disappointed" by the Kansas City Chiefs medical staff, calling them "unprofessional," after he suffered an eye injury in the 2024 NFL season opener.

  6. Apple announces new iPhone 16: What to know about the ... - AOL

    www.aol.com/apple-announces-iphone-16-know...

    Apple announced its new device lineup Monday, unveiling the iPhone 16, details about new Airpods, Apple Watches, iOs features, and more. Broadcast out of the company's headquarters in Cupertino ...

  7. Stellar classification - Wikipedia

    en.wikipedia.org/wiki/Stellar_classification

    Stellar classification. In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors interspersed with spectral lines.

  8. List of common display resolutions - Wikipedia

    en.wikipedia.org/wiki/List_of_common_display...

    This bit of marketing obfuscation is calculated as horizontal resolution × vertical resolution × 3. For example: 640 × 480 VGA is 921,600 subpixels, or 307,200 pixels, 800 × 600 SVGA is 1,440,000 subpixels, or 480,000 pixels, and 1024 × 768 XGA is 2,359,296 subpixels, but only 786,432 full-color pixels. ^ Apple Computer 1 megapixel standard.

  9. LGBT themes in comics - Wikipedia

    en.wikipedia.org/wiki/LGBT_themes_in_comics

    Bruce Wayne and Dick Grayson in a panel from DC Comics Batman #84 (June 1954), which was used by Frederic Wertham to allege that comic books promote homosexuality.. In comics, LGBT themes are a relatively new concept, as lesbian, gay, bisexual, and transgender themes and characters were historically omitted from the content of comic books and their comic strip predecessors due to anti-gay ...

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