Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
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Página 25
... object of this complex instrument is the formation of a perfect image on the retina . With- out images we would ... object will be distinct ; if the image is blurred , the object , both in outline and in details of surface , will be ...
... object of this complex instrument is the formation of a perfect image on the retina . With- out images we would ... object will be distinct ; if the image is blurred , the object , both in outline and in details of surface , will be ...
Página 26
... object mix with each other on the receiv- ing screen ; much more , then , would rays from contigu ous points of the object mix . In such a case , the mixing is so great that no recognizable image is formed at all . FIG . 6 . d d B As ...
... object mix with each other on the receiv- ing screen ; much more , then , would rays from contigu ous points of the object mix . In such a case , the mixing is so great that no recognizable image is formed at all . FIG . 6 . d d B As ...
Página 27
... brightness and distinctness at the same time . If an object , a c , be placed before a lens , L ( Fig . 7 ) , then all the rays diverging from any point , b , are bent so as to come together again at the point. FORMATION OF THE IMAGE . 27.
... brightness and distinctness at the same time . If an object , a c , be placed before a lens , L ( Fig . 7 ) , then all the rays diverging from any point , b , are bent so as to come together again at the point. FORMATION OF THE IMAGE . 27.
Página 28
... object are , as it were , sifted out by the law of refraction , and each safely conveyed to its own point in the image ; so that , for every radiant point of the object , there is a corresponding focal point in the image . But it is evi ...
... object are , as it were , sifted out by the law of refraction , and each safely conveyed to its own point in the image ; so that , for every radiant point of the object , there is a corresponding focal point in the image . But it is evi ...
Página 29
... object , which enter the pupil , are refracted by the lenses of the eye , and brought to a focus on the retinal screen at a ' b ' . Now , since the rays from every intermediate point of the object will be similarly focused , we will ...
... object , which enter the pupil , are refracted by the lenses of the eye , and brought to a focus on the retinal screen at a ' b ' . Now , since the rays from every intermediate point of the object will be similarly focused , we will ...
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Términos y frases comunes
angle bacillary layer binocular eye binocular perspective binocular vision camera central spot Cheaper Edition ciliary muscle Cloth colors combined images cones corresponding points cross Demy 8vo depth of space distant objects distinct double images evident exactly Experiment external images farther Fcap fibers field of view focal adjustment foreground forms of perspective Frontispiece heteronymously horizontal horopter identical points Illustrations impression inches inclination interocular space jects judgments Large post 8vo left eye lens light line of sight look median plane monocular motion muscles naked eyes nearer nose object or scene observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perception of depth perfectly Poems point of sight position projection represent retina retinal images right and left right eye rotation screen Second Edition seen single side Small crown 8vo stereoscope stereoscopic pictures Third Edition tion torsion turn the eyes visual lines visual result vols
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