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  2. Microfilm reader - Wikipedia

    en.wikipedia.org/wiki/Microfilm_reader

    One of the earliest readers of microfilm was the Coddington Magnifier. Developed by Sir David Brewster, this magnifier was a "simple plano-convex lens of such thickness that the focus of its spherical curvature coincides with the flat surface of the lens. [2] On June 21, 1859, the first patent for a microfilm was issued to Rene Dargon in France.

  3. Dome magnifier - Wikipedia

    en.wikipedia.org/wiki/Dome_magnifier

    A dome magnifier is a dome-shaped magnifying device made of glass or acrylic plastic, used to enlarge words on a page or computer screen. They are plano-convex lenses: the flat (planar) surface is placed on the object to be magnified, and the convex (dome) surface provides the enlargement. They usually provide between 1.8× and 6× ...

  4. Video magnifier - Wikipedia

    en.wikipedia.org/wiki/Video_magnifier

    Thus, while a "full page magnifier" based on a fresnel lens can span some 625 cm 2 (96.9 sq in) , it typically achieves no more than 1.4x magnification (advertised as "2x" if measured by area instead of the scale factor); an aspheric segment hand magnifier can achieve a scale factor in excess of two (area factor in excess of four) but typically ...

  5. 'Makes a HUGE difference': If you struggle to see small print ...

    www.aol.com/lifestyle/magnipros-book-magnifier...

    MagniPros 4X Large LED Page Magnifier. $17 $22. Save $5 with Prime. With an anti-glare coating and several LEDs, this tool makes it easy to read in any light levels. Save $5 with Prime.

  6. Claim chart - Wikipedia

    en.wikipedia.org/wiki/Claim_chart

    (This would be a chart prepared by the defendant or party accused of infringing the patent.) An infringement chart that allegedly shows how the product or process accused of infringement contains each claim element, thereby satisfying the all elements test for infringement. (This would be a chart prepared by the plaintiff or patent owner.) [2]

  7. Magnifier - Wikipedia

    en.wikipedia.org/wiki/Magnifier

    A magnifier is a device used for magnification. Magnifier can also refer to: Magnifying glass, an optical device for magnification; Screen magnifier, software that magnifies part of a computer screen Magnifier (Windows), a screen magnifier for Microsoft Windows; Magnifier (iOS), a magnifying glass app for iOS; Magnifier, a magnifying glass app ...

  8. MNREAD acuity chart - Wikipedia

    en.wikipedia.org/wiki/MNREAD_acuity_chart

    The MNREAD chart consists of sentences with print size decreasing by 0.1 log unit steps, from 1.3 logMAR (Snellen equivalent 20/400 at 40 cm) to −0.5 logMAR (Snellen equivalent 20/6). [4] Charts are available in many languages. It allows near visual acuity recording in logMAR notation, Snellen notation or M-units. [5]

  9. 12 of the Most Expensive Mistakes People Have Made - AOL

    www.aol.com/12-most-expensive-mistakes-people...

    “Not paying my car insurance on time. Then proceeding to slide through an icy intersection and hit another car. No one got hurt, just my wallet. Almost $7,000.” – u/sews4dogs. 5. Hindsight ...

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