Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 25
... rays from different 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 im- possible that both of ...
... rays from different 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 im- possible that both of ...
Página 26
... rays from contigu- ous points of the object mix . In such a case , the mixing is so great that no recognizable image ... ray only passes from each point to the object , and goes to its own place in the image ( Fig . 6 , B ) , and the ...
... rays from contigu- ous points of the object mix . In such a case , the mixing is so great that no recognizable image ... ray only passes from each point to the object , and goes to its own place in the image ( Fig . 6 , B ) , and the ...
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
... rays a little way from the central are bent a little ; rays farther away are bent more and more according to their angle of divergence , so that they all meet at the same point , b ' . Similarly all the rays proceeding from a , and ...
... rays a little way from the central are bent a little ; rays farther away are bent more and more according to their angle of divergence , so that they all meet at the same point , b ' . Similarly all the rays proceeding from a , and ...
Página 29
... rays from every intermediate point of the object will be similarly focused , we will have a perfect image of the ... rays from all radiants cross each other in the lens . This point of ray - crossing is called the nodal point . It is a ...
... rays from every intermediate point of the object will be similarly focused , we will have a perfect image of the ... rays from all radiants cross each other in the lens . This point of ray - crossing is called the nodal point . It is a ...
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Términos y frases comunes
angle axis bacillary layer binocular eye binocular perspective binocular vision camera central spot ciliary muscle circle colors combined images cornea corresponding points cross depth of space distance distant objects distinct divergence double images evident exactly Experiment external images farther fibers field of view gaze Helmholtz heteronymous homonymous horizontal horopter horopteric line identical points Illustrations impression inches inclination interocular space inverted jects law of corresponding left eye left-eye image lens light line of sight look median line middle monocular motion muscles naked eyes nearer nose oblique observer ocular optic axes optic centers optic chiasm optic convergence optic nerve outward parallel perceived perception perfect image perfectly point of sight position projection pupil ray-lines rays refractive represent retina retinal images right and left right eye right-eye image rotation sclerotic screen seen single shut side stereoscope surface tion torsion turn the eyes vergence vertical meridian vibrations visual lines visual result