Don’t be fooled by “auto” in the name, because it’s an advanced technique that requires you to have full understanding of how shutter speed, aperture, and ISO work.
You can automate this “steadily increase ISO through the evening” process using your camera’s Auto ISO dialogue. Don’t be fooled by “auto” in the name, because it’s an advanced technique that requires you to have full understanding of how shutter speed, aperture, and ISO work. We have covered the Auto ISO process before and why it can be so powerful for wildlife photography.