An exact, closed-form solution giving the relation between object and image coordinates for an arbitrary reflective surface is derived. Approximations for the case of near-normal incidence and for the case of grazing incidence are given.
© 1976 Optical Society of America
Dietrich Korsch, "Imaging analysis of mirrors from normal to grazing incidence," J. Opt. Soc. Am. 66, 938-941 (1976)