1) Extreme wide-angle accessory 2) IMAX theatre projection aid 3) Skewed picture accessory
Found on
https://www.crosswordclues.com/clue/fish-eye-lens
Extremely useful for depicting fantasy scenes, fish-eye lenses are able to capture images through a very wide angle, almost as much as one hundred and eighty degrees. These lenses are good for fantasy images because of their distortion of the edges of the frame
Found on
http://www.allmovie.com/glossary/term/fish-eye+lens
(from the article `photography, technology of`) For image angles greater than 110°, it becomes difficult to bring the lens close enough to the film to allow the rays between the lens and film to ...
Found on
http://www.britannica.com/eb/a-z/f/30
Extreme wide-angle lens with an angle of view exceeding 100 degree and sometimes in excess of 180 degree. depth of field is practically infinite and focusing is not required
Found on
http://www.encyclo.co.uk/local/21048
An extreme wide angle lens, which distorts the image so radically that the edges seem wrapped into a sphere.
Found on
http://www.owlnet.rice.edu/~engl377/film.html
Extreme wide-angle lens with an angle of view exceeding 100 degree and sometimes in excess of 180 degree. depth of field is practically infinite and focusing is not required. Ultra-wide angle lens giving 180 angle of view. Basically produces a circular image on 35 mm, 5-9 mm lenses showing whole image, 15-17 mm lenses giving a rectangular image fit...
Found on
http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl
No exact match found.
