Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 275 páginas |
Dentro del libro
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Página 28
... 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 falling on the lens , are brought to the same point , a ' , and ...
... 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 falling on the lens , are brought to the same point , a ' , and ...
Página 41
... farther back ; when the object recedes , we slide up the tube so as to bring the receiving plate nearer the lens . So in the opera - glass we elongate the tube for near ob- jects , and shorten it for more distant . In the micro- scope ...
... farther back ; when the object recedes , we slide up the tube so as to bring the receiving plate nearer the lens . So in the opera - glass we elongate the tube for near ob- jects , and shorten it for more distant . In the micro- scope ...
Página 42
... farther back from the lens . But now it is known that the retinal screen remains immovable , and the lens changes its form so as to throw the image to the same place . - Experiment . This is proved in the following man- ner : A person ...
... farther back from the lens . But now it is known that the retinal screen remains immovable , and the lens changes its form so as to throw the image to the same place . - Experiment . This is proved in the following man- ner : A person ...
Página 47
... farther limit of perfect image , however , it has its own range of adjust- ment , like the normal eye . The range of the normal . eye is from infinite distance to five inches . In the myopic eye the range may be from a yard to four ...
... farther limit of perfect image , however , it has its own range of adjust- ment , like the normal eye . The range of the normal . eye is from infinite distance to five inches . In the myopic eye the range may be from a yard to four ...
Página 50
... farther limit ; in the nor- mal eye it is between five inches , near limit , and infinite distance , the farther limit ( if limit it can be called ) ; in the myopic eye the nearer limit may be two inches , the farther limit four inches ...
... farther limit ; in the nor- mal eye it is between five inches , near limit , and infinite distance , the farther limit ( if limit it can be called ) ; in the myopic eye the nearer limit may be two inches , the farther limit four inches ...
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Términos y frases comunes
angle axis bacillary layer binocular eye binocular perspective binocular vision camera central spot Cheaper Edition ciliary muscle Cloth colors combined images cones corresponding points cross Demy 8vo diagram direction distance distant objects distinct divergence double images evident Experiment external images farther Fcap fibers field of view Frontispiece Helmholtz heteronymous horizontal horopter horopteric line Illustrations impression inches inclination interocular space jects Large post 8vo left eye left-eye image lens light line of sight look median line monocular motion muscles nearer nose observer ocular optic axes optic centers optic chiasm optic nerve outward parallel perception perfectly phenomena plane Poems point of sight Portrait position price 75 Prof projection rays refractive represent retina retinal images right eye rotation sclerotic screen Second Edition seen single Small crown 8vo stereoscope surface T. H. HUXLEY Third Edition tion torsion Translated vertical meridian vibrations visual lines visual result vols
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