: A low ISO (e.g., 100 or 400) is preferred to minimize digital noise, which can be particularly visible in the dark areas of a storm cloud.

Storm photography carries inherent risks. Experts from the National Weather Service emphasize the : Lightning storm photography tips and techniques - Facebook

: Shutter speeds between 5 and 30 seconds are standard to allow the camera to "wait" for a strike while building up ambient light for the rest of the scene.