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    Who invented the telescopic lense?

    Question #21619. Asked by Socrates. (Aug 20 02 3:57 AM)


    Tabby Tom

    		The Oxford English Dictionary, in its definition of 'telephotographic', says that the telephoto lens was invented by Thomas Dallmeyer in 1891.

    The New Shell Book of Firsts says that Dallmeyer patented a telephoto lens in the UK on October 2, 1891, but says that the first telephoto lens was invented by a New Zealand geologist called Alexander McKay in 1890.

    Aug 21 02, 10:27 AM
    fpgjc

    		Although the magnifying and diminishing properties of convex and concave transparent objects was known in Antiquity, lenses as we know them were introduced in the West at the end of the thirteenth century. Patents by Hans Lipperley and Jacob Metius in 1608 produced the first telescopes later made famous by Galileo.

    http://es.rice.edu/ES/humsoc/Galileo/Things/telescope.html

    Aug 21 02, 11:51 AM
    DPISHERE

    		It was Thomas Dallmeyer

    http://en.wikipedia.org/wiki/Thomas_Rudolphus_Dallmeyer


    Feb 18 09, 5:48 PM

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