Laurence, Lionel · London, School of Optics · leaf 48
through C, the centre of curvature, is reflected backalong its original path. A graphical construction of the image of an object placed in front of aspherical mirror can be made by tracing any two of such rays from eachextremity of the object, and their course after reflection. The point wherethese… … Fig. 35. The graphical construction when the object is beyond C is as follows :Let A B (Fig. 35) be the object, C the centre of curvature, and F theprincipal focus. Draw A K parallel to the axis, connect K F, and produceit onward; draw A L through C. These two rays cut each other, after…
Optics
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