Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página 18
... eye may be made plain by an illustration . Suppose , then , that the whole instrumental ... sight as perfect as , perhaps more perfect than , the natural eye ... point on the object must be carried to its own point on the image . Now , it ...
... eye may be made plain by an illustration . Suppose , then , that the whole instrumental ... sight as perfect as , perhaps more perfect than , the natural eye ... point on the object must be carried to its own point on the image . Now , it ...
Página 19
An Exposition of the Principles of Monocular and Binocular Vision Joseph LeConte. ent points in the object mix with each other on the receiving screen ; much more , then , would rays from contiguous points of the object mix . In such a ...
An Exposition of the Principles of Monocular and Binocular Vision Joseph LeConte. ent points in the object mix with each other on the receiving screen ; much more , then , would rays from contiguous points of the object mix . In such a ...
Página 21
... point , b ' . Similarly all the rays proceeding from a , and fall- ing on the lens , are brought to the same point , a ' , and from e to the point c ' , and so also for every intermediate point . Thus an image is formed which is both ...
... point , b ' . Similarly all the rays proceeding from a , and fall- ing on the lens , are brought to the same point , a ' , and from e to the point c ' , and so also for every intermediate point . Thus an image is formed which is both ...
Página 23
... eye by means of the ophthalmoscope . By reference to the diagram , Fig . 8 , it is seen that the central rays from all radiants cross each other in the lens . This point of ray - crossing is called the nodal point . It is a little ...
... eye by means of the ophthalmoscope . By reference to the diagram , Fig . 8 , it is seen that the central rays from all radiants cross each other in the lens . This point of ray - crossing is called the nodal point . It is a little ...
Página 29
... eye by Euler , and afterward carried out successfully by Dollond . That the chromatism of the eye is substantially ... point for marginal rays is not the FIG . 12 . rays , same as for the central but nearer . In Fig . 12 the marginal ...
... eye by Euler , and afterward carried out successfully by Dollond . That the chromatism of the eye is substantially ... point for marginal rays is not the FIG . 12 . rays , same as for the central but nearer . In Fig . 12 the marginal ...
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Términos y frases comunes
adjustment angle axis bacillary layer becomes binocular eye binocular perspective binocular vision blind spot camera central spot ciliary muscle circle colors combined image concave corresponding points cross defect depth of space distance distant objects distinct divergence double images evident exactly Experiment explained external images farther fibers field of view focal fore fovea Helmholtz heteronymous homonymous horizontal horopter horopteric line Illustrations impression inches inclined interocular space left eye left-eye image lens light line of sight look median plane middle monocular motion muscles nearer normal eye nose oblique observer ocular optic axes optic chiasm optic nerve optic vesicle outward parallel perceived perception perfectly phantom phenomena point of sight position primary projection pupil ray-line rays refractive represent retina retinal images right and left right eye right-eye image rotation sclerotic screen seen single sensation side stereoscope surface tion torsion turn the eyes vergence vibrations visual lines visual result