Check out this new article from B&H Photo and Video’s Explora series. It’s a fun exploration on how to conduct D.I.Y. tests without putting on a lab coat, toward the practical goal of knowing which lenses in your kit work for which purposes. The author Todd Vorenkamp explains how he uses his test results to remember that one of his lenses is sharp in the corners at a certain aperture, then gets worse anywhere lower than a cut-off point. Great ideas we can take for granted. Now, to spend time making that cheat sheet…