One of the most challenging tasks in photography is to freeze a fast-moving subject in motion, such as a racing car, a bird in flight or a plane at an air show. Taking photos in automatic mode (A) can be frustrating as the camera’s settings need adjustments in exposure and focus. This means that some shots may be usable and sharp, but many will lack precision. To capture those dynamic and dramatic moments, technical knowledge and practice are the keys to success. Here, the exposure triangle comes into play, which consists of three elements: shutter speed, aperture, and ISO. These settings all have an impact on each other.
For action shots, the priority is to select a fast shutter speed, such as 1/1,000 sec, to freeze the subject. However, this…