(Fig. 2) be a convex lens,with the axis P^M, and Pi, P2, P3, and P^ be foiu: parrallel raysstriking the lens at points gi, g2> Qsy ^.nd Q^ at heights h^, h^ h^,and hi from the axis. The rays, after being refracted by the lens,will cut the axis at some point. Let the ray from P^… … Pi->^-^r ^zr^^^ K K [] Fig. 3.—Diagram, illustrating spherical aberration in a negative lens after refraction, be brought to a focus at P^^- Iti^ ^^y from P4,striking the lens at the extreme edge at a height /t^ from the axis,will be brought to a focus at P/, nearest to the lens. If V repre-sent…
Lenses and optical systems
Internet Archive · NIST Research Library · Public Domain Mark 1.0. Free to use for anything.
