In order to be a truly creative photographer, you need to take your camera out of the automatic exposure modes and put it into either Programmed Auto, Aperture Priority, Shutter Priority or Manual mode. These four modes give you total control over the camera settings that make up exposure: aperture, shutter priority and ISO.
Out of these four modes, I feel that Aperture Priority, Shutter Priority and Manual get all the glory. But what about Programmed Auto? It comes in surprisingly useful in many situations and shouldn’t be overlooked.
What is Programmed Auto?
Programmed Auto is Nikon’s term for the P mode on its camera’s mode dials. It is called Program Auto by Sony, Program AE (auto exposure) by Canon, Fujifilm and Sigma, Program shooting by Olympus and Hyper-program by Pentax. Pentax users especially should check their camera manuals to see how Hyper-program works, as it’s a little more complex than that of the other manufacturers.
In Programmed Auto, you set the ISO and the camera sets what it believes are the most appropriate shutter speed and aperture settings according to the light levels. If you have an Auto ISO setting on your camera, you can give control of ISO to the camera as well.
The advantage of Programmed Auto over the fully automatic exposure modes on your camera is that it is unrestricted in terms of what camera settings you can select. In the fully automatic modes, you may not be able to adjust ISO, white balance, or Picture Control, apply exposure compensation, select a metering mode or even use the Raw format (the exact restrictions depend on which fully automatic mode you are in and the make of your camera, the details are in the manual).
At first glance, Programmed Auto may not seem as effective as Aperture Priority and Shutter Priority modes. Programmed Auto is more likely to select ‘middle of the road’ settings rather than exciting ones such as utilising wide apertures for narrow depth-of-field.
That’s where Program Shift comes in. If you don’t like the camera’s selected settings, you can override them with a twist of the main dial. To use Program Shift press the shutter button half-way down to obtain a light reading. The aperture, shutter speed and ISO are displayed in the viewfinder. If you don’t like the selected aperture and shutter speed settings, just turn the dial. They will change in tandem so that the exposure remains correct.
For example, if the camera selects an aperture of f11, but you would prefer to shoot at f4, just turn the dial until f4 is selected. The camera will adjust the shutter speed to match. (Note: This feature is called Flexible Program by Nikon and Program Shift by everyone else.)
Using Programmed Auto
In what situations is Programmed Auto useful? I think it’s useful in most shooting scenarios where you may adjust aperture or shutter speed from shot to shot. The photos in this article are typical examples. If you are using a prime lens and shooting everything at f1.8, for example, then Aperture Priority makes more sense. But if you are walking around taking photos and choosing different settings for each shot, then Programmed Auto may work better for you.
About the Author:
Andrew Gibson’s recent ebook, Mastering Photography: A Beginner’s Guide to Using Digital Cameras introduces you to digital photography and helps you make the most out of your digital cameras. It covers concepts such as lighting and composition as well as the camera settings like Programmed Auto you need to use to become a creative photographer.
Go to full article: Programmed Auto: A Helpful Overlooked Exposure Mode on DSLR Cameras
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