adjective Date: 1943 being, having, or produced by a wide-angle photographic lens that has a highly curved protruding front, that covers an angle of about 180 degrees, and that gives a circular image
FISH-EYE
Meaning of FISH-EYE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012