Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página 18
... points in the object , even the most contiguous , should not mix on the image , but all the rays from each point on the object must be carried to its own point on the image . Now , it is impossible that both of these condi- tions should ...
... points in the object , even the most contiguous , should not mix on the image , but all the rays from each point on the object must be carried to its own point on the image . Now , it is impossible that both of these condi- tions should ...
Página 19
... points of the object mix . In such a case the mixing is so great that no recognizable image is formed at all . As the ... point to the object , and goes to its own place in the image ( Fig . 6 , B ) , and the conditions of distinctness ...
... points of the object mix . In such a case the mixing is so great that no recognizable image is formed at all . As the ... point to the object , and goes to its own place in the image ( Fig . 6 , B ) , and the conditions of distinctness ...
Página 20
... point , b , are bent so as to come together again at the point b ' . Of the divergent pencil , b L L , the central ray passes straight through without deviation ; rays a little way from the central are bent a little ; rays farther away ...
... point , b , are bent so as to come together again at the point b ' . Of the divergent pencil , b L L , the central ray passes straight through without deviation ; rays a little way from the central are bent a little ; rays farther away ...
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
... point of ray - crossing is called the nodal point . It is a little behind the center of the lens , and about 06 inch ( 15 mm . ) in front of the retina . The size of the retinal image is as much smaller than the object as the former is ...
... point of ray - crossing is called the nodal point . It is a little behind the center of the lens , and about 06 inch ( 15 mm . ) in front of the retina . The size of the retinal image is as much smaller than the object as the former is ...
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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