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Keywords: slit pupilClose
Journal: Journal of Experimental Biology
J Exp Biol (2006) 209 (1): 18–25.
Published: 1 January 2006
... lenses having concentric zones of different focal lengths, each of which focuses a different relevant spectral range onto the retina. A partially constricted circular pupil would shade the peripheral zones of the lens, leading to the loss of well-focused images at relevant wavelengths. The slit pupil...