Etymology
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magnification (n.)

early 15c., magnificacioun, "act or state of making larger," from Old French magnificacion and directly from Late Latin magnificationem (nominative magnificatio), noun of action from past-participle stem of magnificare "esteem greatly, extol, make much of," from magnificus "great, elevated, noble," literally "doing great deeds," from magnus "great" (from PIE root *meg- "great") + combining form of facere "to make, to do" (from PIE root *dhe- "to set, put"). 

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high-powered (adj.)
1829, originally of magnification, from high (adj.) + power (v.). By 1840s of engines, 1860s of ordnance, 1900 of automobiles.
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miniaturization (n.)

"process of using technology to make something very small," 1947, from miniaturize + noun ending -ation. Minification in the sense "process of making smaller" is attested from 1904, on analogy of magnification.

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telephoto (adj.)
also tele-photo, 1898, shortened form of telephotographic (1892), in reference to lenses introduced at that time to increase the magnification of photographs taken by a camera, from tele- + photographic.
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