Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
Dentro del libro
Resultados 1-5 de 32
Página 25
... exactly proportioned to distinctness of retinal images . If the image of an ob- ject is distinct , the object will be distinct ; if the image is blurred , the object , both in outline and in details of surface , will be blurred . If ...
... exactly proportioned to distinctness of retinal images . If the image of an ob- ject is distinct , the object will be distinct ; if the image is blurred , the object , both in outline and in details of surface , will be blurred . If ...
Página 32
... exactly similar colors . Now all refraction is accompanied by dispersion ; therefore a simple , uncorrected lens always disperses , especially on the edges where the refraction is greatest ; and , therefore , also , the images made by ...
... exactly similar colors . Now all refraction is accompanied by dispersion ; therefore a simple , uncorrected lens always disperses , especially on the edges where the refraction is greatest ; and , therefore , also , the images made by ...
Página 40
... exactly in the right place , i . e . , in the focus ; otherwise the image will be blurred . We reproduce here ( Fig . 16 ) the diagram FIG . 16 . C b a on page 27 , showing this . It is at once seen that , if the receiving plate is too ...
... exactly in the right place , i . e . , in the focus ; otherwise the image will be blurred . We reproduce here ( Fig . 16 ) the diagram FIG . 16 . C b a on page 27 , showing this . It is at once seen that , if the receiving plate is too ...
Página 75
... exactly where the field of view ends , except where it is limited by some portion of the face . Now what is the use of this arrangement ? Why would it not be much better to see equally distinctly over all portions of the field of view ...
... exactly where the field of view ends , except where it is limited by some portion of the face . Now what is the use of this arrangement ? Why would it not be much better to see equally distinctly over all portions of the field of view ...
Página 108
... 10 inches apart , and then the eyes be converged until the right eye looks exactly toward the left hand and the left eye toward the right forefinger , then evidently the retinal images of these two objects will 108 BINOCULAR VISION .
... 10 inches apart , and then the eyes be converged until the right eye looks exactly toward the left hand and the left eye toward the right forefinger , then evidently the retinal images of these two objects will 108 BINOCULAR VISION .
Otras ediciones - Ver todas
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
Pasajes populares
Página 13 - MOCKLER, E. — A Grammar of the Baloochee Language, as it is spoken in Makran (Ancient Gedrosia), in the Persia-Arabic and Roman characters.
Página 7 - Current Coin. Materialism — The Devil — Crime — Drunkenness — , Pauperism — Emotion — Recreation — The Sabbath. Third Edition. Crown 8vo. Cloth, price 6s. Speech in Season. Fourth Edition. Crown 8vo. Cloth, price o$.
Página 9 - XVIII. The Nature of Light: With a General Account of Physical Optics.
Página 26 - MANS (Eliza A.). An Essay on the Culture of the Observing Powers of Children, especially in connection with the Study of Botany. Edited, with Notes and a Supplement, by Joseph Payne, FCP, Author of " Lectures on the Science and Art of Education,
Página 15 - Frank, FRGS— Matabele Land and the Victoria Falls. A Naturalist's Wanderings in the Interior of South Africa. Edited by CG GATES, BA With numerous Illustrations and 4 Maps.
Página 10 - Joseph.— Free Trade in Land. Edited by his Widow. With Preface by the Right Hon.
Página 1 - Phantasmion. A Fairy Tale. With an Introductory Preface by the Right Hon. Lord Coleridge, of Ottery St. Mary. A New Edition. Illustrated. Crown 8vo. Cloth, price js. 6d. Memoir and Letters of Sara Coleridge. Edited by her Daughter. With Index. 2 vols. With Two Portraits. Third Edition, Revised and Corrected. Crown 8vo. Cloth, price 24$.