Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 25
... 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 these conditions 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 im- possible that both of these conditions should ...
Página 26
... points in the object mix with each other on the receiv- ing screen ; much more , then , would rays from contigu- ous ... point to the object , and goes to its own place in the image ( Fig . 6 , B ) , and the conditions of distinct- ness ...
... points in the object mix with each other on the receiv- ing screen ; much more , then , would rays from contigu- ous ... point to the object , and goes to its own place in the image ( Fig . 6 , B ) , and the conditions of distinct- ness ...
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 .
... , 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 .
Página 28
... point , b ' . Similarly all the rays proceeding from a , and falling 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 falling 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 29
... point of the object will be similarly focused , we will have a perfect image of the object painted on the retina ... point of ray - crossing is called the nodal point . It is a little behind the center of the lens . CHAPTER II . THE EYE ...
... point of the object will be similarly focused , we will have a perfect image of the object painted on the retina ... point of ray - crossing is called the nodal point . It is a little behind the center of the lens . CHAPTER II . THE EYE ...
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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