Green Lantern and Limits of Imaging

As I was flipping through the pages of the book “How the Ray Gun Got Its Zap: Odd Excursions Into Optics” by Stephen R. Wilk (OUP, 2013), I saw the reference to the Green Lantern comics No:8 “The Challenge from 5700 A.D.” (Sept-Oct 1961) where the hero Green Lantern replays the actions of a previously lived event through the help of his ring, though still obeying the diffraction limited nature of imaging as explained in the editor’s note below.