Ophthalmic lenses, dioptric formulae for combined cylindrical lenses : the prism-dioptry, and other optical papers (1907)
Prentice, Charles F. (Charles Frederick), b. 1854 · Philadelphia : Keystone · leaf 129
Fig. 9. >/0><i … Fig. 10. In Fig. 9 the lens of 2D., with a decentration d^ = d /«., produces adeflection of 0.6^ af the meter plane^ by reason of the obliquity of thelens-surfaces, determined by the tangents at e^ constituting a virtual prismof the angle /?, with its apex at a^ In Fig. 10 the lens of 1 D., whose…
Lenses · Prisms (Ophthalmology)
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