Shutter Speed Control in Aperture Priority Mode
Ashok Kandimalla has been in the photographic field for over three decades and has extensive experience in both film and digital photography. Being an electronics engineer by profession and a photographer, he possesses a unique and deep insight into the technical aspects of digital photography and equipment. He has published more than a 100 articles on photography and some of his writings have also been published in the well-known international magazine Popular Photography.
An avid collector of photographic books and vintage cameras, Ashok has a keen interest in the history of photography and a passion for sharing his knowledge on photography through teaching and writing. He is the only Indian photographer to be featured on the Nikon Centenary website. He is presently working as a Management and Engineering consutant. He can be reached at kashokk@gmail.com .
The first thing you would see on an ILC (Interchangeable Lens Camera – that is a D-SLR or a mirrorless camera) is the prominent mode dial (Picture 1). Marked on this would be the different exposure modes, indicated as P, A, S and M, often called PASM modes. These, as you may recall, stand for Manual, Aperture Priority, Shutter Priority and Program Modes. In addition, on some cameras, you may see a ‘Green mode’ and other ‘Scene’ modes. To start, remember that whichever mode you may use, you will get the same exposure. However, the combination of the three exposure parameters, viz., shutter speed, aperture and ISO chosen
