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2. 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 ...

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

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

   Conquer even the smallest type with this handy gadget — complete with a light that allows you to read in bed without irking your spouse.

4. Screen magnifier - Wikipedia

   en.wikipedia.org/wiki/Screen_magnifier

   Rendering this very page with Firefox, and magnifying its upper left corner with kmag. A screen magnifier is software that interfaces with a computer's graphical output to present enlarged screen content. By enlarging part (or all) of a screen, people with visual impairments can better see words and images.

5. 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× ...

6. Magnifying glass - Wikipedia

   en.wikipedia.org/wiki/Magnifying_glass

   In another innovative form, the magnifying glass can manifest as a sheet magnifier, employing numerous slender, concentric, ring-shaped lenses. These are collectively known as a Fresnel lens , which, despite being significantly thinner, operates effectively as a single lens.

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 ...