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  2. A magnifying mirror is a travel must-have for anyone over the ...

    www.aol.com/lifestyle/a-magnifying-mirror-is-a...

    The Kintion Pocket Mirror provides a portable, two-sided compact (with each mirror side measuring a generous 3.3 by 2.5 inches) that is ideal for slipping into your purse or weekender. One side ...

  3. Video magnifier - Wikipedia

    en.wikipedia.org/wiki/Video_magnifier

    Video magnifiers are electronic devices that use a camera and a display screen to perform digital magnification of printed materials. The display screen is usually LCD or a similar flat-screen technology (although older video magnifiers have used CRT displays), and the device usually includes a lamp to illuminate the source material.

  4. Optical power - Wikipedia

    en.wikipedia.org/wiki/Optical_power

    In optics, optical power (also referred to as dioptric power, refractive power, focusing power, or convergence power) is the degree to which a lens, mirror, or other optical system converges or diverges light. It is equal to the reciprocal of the focal length of the device: P = 1/f. [1] High optical power corresponds to short focal length.

  5. Laser-powered phosphor display - Wikipedia

    en.wikipedia.org/wiki/Laser-powered_phosphor_display

    The energy from the lasers' light activates the phosphors, which emit photons, producing an image. [5] [8] [9] [10] The building blocks of every Prysm video wall are the Laser Phosphor Display (LPD) tiles called the TD2. Video walls are implemented using this new generation LPD TD2 tile, a virtually seamless, bezel-free building block.

  6. Optical telescope - Wikipedia

    en.wikipedia.org/wiki/Optical_telescope

    The Large Binocular Telescope at the Mount Graham International Observatory in Arizona uses two curved mirrors to gather light. An optical telescope gathers and focuses light mainly from the visible part of the electromagnetic spectrum, to create a magnified image for direct visual inspection, to make a photograph, or to collect data through electronic image sensors.

  7. Magnification - Wikipedia

    en.wikipedia.org/wiki/Magnification

    The maximum angular magnification (compared to the naked eye) of a magnifying glass depends on how the glass and the object are held, relative to the eye. If the lens is held at a distance from the object such that its front focal point is on the object being viewed, the relaxed eye (focused to infinity) can view the image with angular ...

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