CU of a Kirlian photograph of a geranium leaf. The camera zooms in on the Kirlian photograph of a geranium leaf to show the details of the corona discharge. CU of Kirlian photograph of a geranium leaf taken at different exposure times. The exposure time affects the color of the Kirlian photograph. The camera zooms in on the Kirlian photograph of a geranium leaf to show the details of the corona discharge.