Laurence, Lionel · London, School of Optics · leaf 94
d the other Cx., the Cx. being the weaker power.Variations of the above, due to increasing the interval between the twosurfaces, are treated in the chapter on thick lenses. 82 GENERAL AND PRACTICAL OPTICS Terms of a Lens.—Let Fig. 88 represent a thin Cx. lens; C C are thecentres of curvature, and 0… … 0, perpendicular to A B, is the refracting plane, on which all the refractioneffected by both surfaces of a thin lens is presumed to be united. Any linesas D D, E E directed to 0, are secondary axes; they are presumed to pass,obliquely to the principal axis, through the lens, and without any…
Optics
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