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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.
MonoMouse is a handheld electronic magnifier manufactured by Bierley, designed to help people with a visual impairment to read printed text or images. [1] [2]Originally developed by Ian Bierley in 2003 for use by his mother, who had glaucoma, and then later released as a commercial product supplied through opticians in 2005. [3]
Magnifiers are typically characterized using a "standard" value of 0.25 m. A magnifying glass operates as the simplest form of optical instrument. It is essentially a hand-held lens that converges light to produce an enlarged, upright image that appears to stand where light doesn't actually converge, known as a 'virtual' image.
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 ...
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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 ...
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