For sports and action, you'll need a very high shutter speed. For portraits of a subject who's posing, you can get away with something much slower, but in low light, there'll be a limit to how long ...
Nikon D800 | Tokina AT-X 16-28mm F2.8 Pro FX | ISO 400 | 1/640 sec | F2.8 Photo: Abby Ferguson Understanding shutter speed, aperture and ISO can be overwhelming for beginner photographers. Even once ...