Qualitative and Quantitative Studies of the Effects of Spherical Aberration on the Optical System in the Cases of Coherent and Incoherent Illumination. Iraqi Journal of Science [Internet]. 2020 Oct. 28 [cited 2024 Nov. 23];61(10):2599-60. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/2319