Lenses and Systems of Lenses

2nd Edition 4th Edition absolute distances C. S. Calverley Carl Neumann centre of curvature Conic Sections conjugate planes conjugate points consider continued fraction convex lens denote deviation emergent ray English equations equivalent lens extreme media F and F F. A. Paley focal length Focal Plane formula Geometrical George Bell Grammar Greek h₂ Hence incident ray infinite distance J. W. Donaldson Latin luminous point M.A. 3rd Edition M.A. 5th Edition M.A. Crown 8vo M.A. Fcap magnification produced meet the axis Nodal Points P₁ P₂ parallel Ph.D point conjugate points Q Post 8vo Principal Plane Principal Points quantities R. C. Jebb rays which proceed reduced distance refracted ray refracting surface refractive indices respectively second surface straight line system of lenses system of surfaces t₁ telescope theorem thick lens V₁ vertex W. H. Besant μη μι Мо