Laurence, Lionel · London, School of Optics · leaf 107
ergence of the light is added to thedivergence of the lens. It should be observed that calculations for conjugatesare the same as the addition of lenses. By inverting the formula we get a sometimes useful variation in /i/i „ , fJf .... , W 7i+/i E= or f & and fx— /■-I1 It can also be written,… … Fio. 104. For the Cx.^ThereforeThen 0 5=/i; 0 B=f; 0 F=F; BF=f„ - F.A/A=W* - X) or//, - F/f=Ff.AA-F(f +/■») °r 1/^V/x + l/fr
Optics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
