This paper discusses the conditions for aplanatic correction of aberrations in a system with a base element in the form of a thin lens and a plane-parallel plate as a correction element. Various forms of the makeup of this system are displayed.
I. A. Belokurova, V. A. Zverev, and A. V. Gavrilyuk, "Putting together aplanatic systems with the base element in the form of a thin lens," J. Opt. Technol. 70, 561-565 (2003)