Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
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Página 28
... falling on the lens , are brought to the same point , a ' , and from c to the point c ' , and so also for every intermediate point . Thus an image is formed which is both bright and very distinct if the receiving screen is suitably ...
... falling on the lens , are brought to the same point , a ' , and from c to the point c ' , and so also for every intermediate point . Thus an image is formed which is both bright and very distinct if the receiving screen is suitably ...
Página 31
... fall on the sides will be quenched , and not allowed to rebound by reflection , and thus fall on the image and spoil it . No light must fall on the image except that which comes directly from the object . So the eye also is a very small ...
... fall on the sides will be quenched , and not allowed to rebound by reflection , and thus fall on the image and spoil it . No light must fall on the image except that which comes directly from the object . So the eye also is a very small ...
Página 55
... fall upon and impress the retina . The thickness of this nervous expansion is about one hundredth of an inch , or about the thickness of thin cardboard , at the bottom or thickest part , but thins to one half that amount on the anterior ...
... fall upon and impress the retina . The thickness of this nervous expansion is about one hundredth of an inch , or about the thickness of thin cardboard , at the bottom or thickest part , but thins to one half that amount on the anterior ...
Página 74
... fall the image of the object or part of the object looked at , or of all points in the visual line or line of sight . Now , if we look steadily and attentively on any spot on the wall , and , without moving the eyes , observe the ...
... fall the image of the object or part of the object looked at , or of all points in the visual line or line of sight . Now , if we look steadily and attentively on any spot on the wall , and , without moving the eyes , observe the ...
Página 77
... fall on the same retinal cone , they will make but one impression , and therefore be seen as one ; but if they are far enough apart to impress two cones , then they will be seen as two points . So also of an object : if its image on the ...
... fall on the same retinal cone , they will make but one impression , and therefore be seen as one ; but if they are far enough apart to impress two cones , then they will be seen as two points . So also of an object : if its image on the ...
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Términos y frases comunes
angle 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 depth of space distant objects distinct double images evident exactly Experiment external images farther Fcap fibers field of view focal adjustment foreground forms of perspective Frontispiece heteronymously horizontal horopter identical points Illustrations impression inches inclination interocular space jects judgments Large post 8vo left eye lens light line of sight look median plane monocular motion muscles naked eyes nearer nose object or scene observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perception of depth perfectly Poems point of sight position projection represent retina retinal images right and left right eye rotation screen Second Edition seen single side Small crown 8vo stereoscope stereoscopic pictures Third Edition tion torsion turn the eyes visual lines visual result vols
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