View full lesson: http://ed.ted.com/lessons/how-to-take-a-great-picture-carolina-molinari Have you ever looked at your camera and wondered what all of those buttons actually do? For manual photography, the aperture, shutter speed and ISO sensitivity can all be manipulated to get just the right amount of light. Carolina Molinari suggests the best exposure for an action photo, a stunning portrait or a nighttime landscape. Lesson by Carolina Molinari, animation by TED-Ed.