A Video or Electronic Magnifier operates as a closed circuit television system. The electronic magnifier plugs into a TV screen or computer monitor to display. The user puts the material to be viewed underneath a special camera and the page appears on the screen. The user then has controls to make the print bigger and bolder. These video magnifiers provide the highest levels of magnification and help to enhance the contrast of the objects being viewed.
Magnification can range from 2x to 45x. The systems are versatile, hands free and have integral lighting with the ability to change the contrast and colour combinations and to zoom in and out. Portable versions connect to a PC and smaller CCTV readers are available. These have a hand-held camera that can be moved across the page and which is plugged into the TV to display the image. The size of the image will depend on the size of the screen available.
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Monoculars are mini-telescopes which you look through with only one eye. They make distance objects clearer and some can magnify for near as well by changing the focus. Monoculars are pocket-sized and portable so can easily be carried outdoors. Unlike magnifiers the bigger the telescope, the stronger it is and strengths range from 2.5 x to 10x magnification. Weaker monoculars can be mounted onto spectacles but the stronger ones are too heavy.
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Binoculars allow you to use two eyes for looking at objects in the distance. They can be compact and portable and as they are hand-held a steady hand can be needed to use them. Magnification ranges from 8x to 80x.
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