Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
Dentro del libro
Resultados 1-5 de 16
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 withi 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 withi 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 . a same as for the central rays , but nearer . In Fig . 12 the marginal rays , a r ' , a r ' , are brought to a focus at a ...
... increasing with the distance from the center ; therefore the focal point for marginal rays is not the FIG . 12 . a same as for the central rays , but nearer . In Fig . 12 the marginal rays , a r ' , a r ' , are brought to a focus at a ...
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
Sight: An Exposition of the Principles of Moonocular and Binocular Vision Joseph Le Conte Sin vista previa disponible - 2017 |
Términos y frases comunes
angle axis bacillary layer binocular eye binocular perspective binocular vision camera central spot ciliary muscle circle colors combined images cones corresponding points cross depth of space distant objects distinct double images evident exactly Experiment external images eyes by squinting farther fibers field of view figures finger focal adjustment foreground forms of perspective gaze heteronymously homonymously horizontal horopter identical points impression inches inclination interocular space inverted jects left eye lens less convergence light line of sight look median plane monocular images motion muscles naked eyes nearer nose object or scene oblique observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perceived perception of depth perfect image perfectly point of sight position projection rays refractive represent retina retinal images right and left right eye rotation sclerotic screen seen single side stereoscope stereoscopic pictures surface tion torsion turn the eyes unite visual lines visual result