Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
Dentro del libro
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Página 14
... increasing specialization and refinement of the senses . But only in the two higher senses - only in those senses in which there is no direct contact , but the impressing force is conveyed by means of vibration through a medium - only ...
... increasing specialization and refinement of the senses . But only in the two higher senses - only in those senses in which there is no direct contact , but the impressing force is conveyed by means of vibration through a medium - only ...
Página 23
... increasing in density from surface to center , as shown in Fig . 5 , e , and in Fig . 13 , on page 37. The lens is invested with a very thin , transparent membrane , capsule of the lens , which not only invests it , but continues ...
... increasing in density from surface to center , as shown in Fig . 5 , e , and in Fig . 13 , on page 37. The lens is invested with a very thin , transparent membrane , capsule of the lens , which not only invests it , but continues ...
Página 26
... is now infinitely faint , and therefore invisible . If , now , we try to increase the brightness by increasing the size of the hole , in propor- tion as we get brightness do we lose distinctness . 26 MONOCULAR VISION .
... is now infinitely faint , and therefore invisible . If , now , we try to increase the brightness by increasing the size of the hole , in propor- tion as we get brightness do we lose distinctness . 26 MONOCULAR VISION .
Página 35
... increasing with the distance from the center ; therefore the focal point for marginal rays is not the FIG . 12 . r r α S same as for the central rays , but nearer . In Fig . 12 the marginal rays , a r ' , a r ' , are brought to a focus ...
... increasing with the distance from the center ; therefore the focal point for marginal rays is not the FIG . 12 . r r α S same as for the central rays , but nearer . In Fig . 12 the marginal rays , a r ' , a r ' , are brought to a focus ...
Página 36
... increasing the curvature of this part or by increasing its density , and therefore its refractive index . It is by the former method that art makes the correction . By mathematical calculation , it is found that the curve must be that ...
... increasing the curvature of this part or by increasing its density , and therefore its refractive index . It is by the former method that art makes the correction . By mathematical calculation , it is found that the curve must be that ...
Otras ediciones - Ver todas
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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