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  2. Loupe - Wikipedia

    en.wikipedia.org/wiki/Loupe

    Loupe-mounted lights used to be fed by fiber optic cables that connected to either a wall-mounted or table-top light source. Newer models feature a more convenient LED lamp within the loupe-mounted light and an electric cord coming from either the conventional wall-mounted or table-top light source or a belt clip rechargeable battery pack.

  3. Binoculars - Wikipedia

    en.wikipedia.org/wiki/Binoculars

    Binoculars concentrate the light gathered by the objective into a beam, of which the diameter, the exit pupil, is the objective diameter divided by the magnifying power. For maximum effective light-gathering and brightest image, and to maximize the sharpness, [27] the exit pupil should at least equal the diameter of the pupil of the human eye ...

  4. Magnifying glass - Wikipedia

    en.wikipedia.org/wiki/Magnifying_glass

    The magnifying power in this case is roughly MP = d o Φ. [9] A typical magnifying glass might have a focal length of 25 cm, corresponding to an optical power of 4 dioptres. Such a magnifier would be sold as a "2×" magnifier. In actual use, an observer with "typical" eyes would obtain a magnifying power between 1 and 2, depending on where lens ...

  5. Coddington magnifier - Wikipedia

    en.wikipedia.org/wiki/Coddington_magnifier

    A Coddington magnifier is a magnifying glass consisting of a single very thick lens with a central deep groove diaphragm at the equator, thus limiting the rays to those close to the axis, which minimizes spherical aberration. This allows for greater magnification than a conventional magnifying glass, typically 10× up to 20×. Most single lens ...

  6. 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 ...

  7. Night-vision device - Wikipedia

    en.wikipedia.org/wiki/Night-vision_device

    Supported weapons include the AK family, sniper rifles, light machine guns and hand-held grenade launchers. 1PN34 refractor-based night sight for a range of small arms and grenade launchers (photo) 1PN50 refractor-based night observation binoculars. [85] 1PN51 reflector-based night sight for a range of small arms and grenade launchers. [86]

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