The QUASI-FISH-EYE LENS covers the entire film frame, actually showing less of the image than a true fish-eye lens.
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QUANTUM OPTICS - A branch of physics employed when studying detailed effects that occur when light is absorbed by matter, a film's emulsion for example.
QUARTZ LIGHTS - Generic term for various types of lights that use tungsten-halogen lamps.
QUASI-FISH-EYE LENS - The Quasi-fish-eye lens produces an image on the film or image sensor that covers the entire frame, whereas a True fish-eye lens has its circular image wholly within the frame.
The true fish-eye lens has its image wholly within the film frame.