Thomas Rudolphus Dallmeyer

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Thomas Rudolphus Dallmeyer (1859–1906), English optician, was the son of John Henry Dallmeyer who ran an optics business.

He assumed control of the business on the failure of his father's health, was principally known as the first to introduce the telephoto lens into ordinary practice (patented 1891), and he was the author of a standard book on the subject (Telephotography, 1899). He served as president of the Royal Photographic Society in 1900-1903. He married Julia Fanny Thomas (d 26 9 1936), daughter of Charles Thomas Lt 54 Bengal Infantry , on 13 1 1886

Public Domain This article incorporates text from a publication now in the public domainChisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press.