A 32 inch discharge to clear lightbulb. Unfortunately, the corona inside the lightbulb dosen't show up too well. The coil was running 5 gaps @ .030" .0185 uF poly cap in parallel with .007 uF salt water cap.
100 ASA Kodak Gold, expose in total darkness, 2 second coil run time, illuminate secondary, toroid, and lightbulb with flashlight, black background.