Handbook of optics for students of ophthalmology (1899)
Souter, William Norwood, 1961-1935 · New York, Macmillan · leaf 48
d the nodal point. The cardinalplanes are the principal plane and the two principalfocal planes. If o be the linear dimension of the object, and i 38 HANDBOOK OF OPTICS that of the image, then from the similar trianglesPAF and HFR (Fig. 13) we shall have PA AF ; or, 0 u - = - ; or, - = - —. HIV FH… … Fig. 14. rays before and after refraction. Let MP (Fig. 14)be the linear dimension of an object. A ray fromP, meeting the refracting surface at R, would berefracted so as to assume the direction RS; and ifprolonged backward, it would meet the axis at Q,which is conjugate to P. Likewise, iVis…
Eye · Lenses
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
