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Keywords: resolution
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Journal Articles
J Exp Biol (2009) 212 (21): 3522–3532.
Published: 01 November 2009
... the compound eye of the fiddler crab Uca vomeris . Using an in vivo pseudopupil method we determined sizes and viewing directions of ommatidia and created a complete eye map of optical and sampling resolution across the visual field. Our results reveal five distinct eye regions (ventral, dorsal...
Journal Articles
J Exp Biol (2008) 211 (11): 1737–1746.
Published: 01 June 2008
... Biologists Limited 2008 2008 nocturnal vision compound eye bee wasp landmark orientation resolution sensitivity spatial summation To see reliably, an eye must capture sufficient light. For a diurnal(day-active) animal, adapted for vision in bright sunlight, this basic requirement is...
Journal Articles
J Exp Biol (1992) 170 (1): 57–69.
Published: 01 September 1992
... incidence of rays striking the retina (up to 40°) mean that the eye is likely to suffer substantial spreading of light between rhabdoms (which are unshielded) and further degradation of resolution. Possible behavioural roles for the eyes are discussed. 2 6 1992 © 1992 by Company of Biologists...
Journal Articles
J Exp Biol (1992) 164 (1): 227–242.
Published: 01 March 1992
...M. F. LAND; F. G. BARTH Much is known about the mechanosensory behaviour of the spider Cupiennius Keyserling, but much less about its visual capabilities. In this study the quality of the optical image, the retinal resolution and the fields of view were assessed for each of the four pairs of eyes...