The diffraction focus of optical systems with circular and annular exit pupils affected with primary, secondary and tertiary spherical aberration is calculated for some values of aberration coefficients and obscuration ratios. The depth of focus of these systems is also given.
© 1990 Optical Society of America
Claudio Rivolta, "Depth of focus of optical systems with a small amount of spherical aberration," Appl. Opt. 29, 3249-3254 (1990)