/re"treuh foh'keuhs/
a wide-angle lens, for use on single-lens reflex cameras, of inverted telephoto design, with a back focus greater than the focal length.
[ 1960-65; RETRO- + FOCUS ]
/re"treuh foh'keuhs/
a wide-angle lens, for use on single-lens reflex cameras, of inverted telephoto design, with a back focus greater than the focal length.
[ 1960-65; RETRO- + FOCUS ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012