Aperture and Shutter Priority Modes

Over the last few weeks we’ve been looking at different elements of exposure and how to move out of the ‘Auto’ mode on your digital camera. We’ve looked at Aperture, Shutter Speed and ISO and have discovered what each of them is and what impact changing them will have on your images. Now that we’ve looked at the theory of how changing these elements impacts an image I’d like to move into how to use them by examining two shooting modes that many digital have on them that allow you to take a step away from the automatic settings that you might be spending a lot of time in. The two shooting modes are Aperture Priority Mode and Shutter Priority Mode. A Quick Reviser We’re looked at how the three elements of the exposure triangle impact one another. Priority Modes Aperture and Shutter Priority modes are really semi-manual (or semi-automatic) modes. Aperture Priority Mode (often it has a symbol of ‘A’ or Av’ to indicate it’s selected) When would you use Aperture Priority Mode? Shutter Priority Mode

How to use Av Mode: Aperture Priority : Canon XSi | 450D Guide & FAQ | 50D Guide | Digital SLR Tutorial | Photography Guide How to use Aperture Priority or “Av” mode What is lens aperture? In the most basic sense; Av mode or Aperture Priority is the mode in which the camera selects the shutter speed to acquire a user defined exposure in accordance with a user selected lens aperture. When to use Av mode: Aperture priority is an excellent all around shooting mode. I use Aperture Priority whenever I want to control the depth of field of my image, and have no concern over the shutter speed. I use aperture priority when shooting sports, I use my 70-200 2.8 Lens, set the aperture for 2.8 and then meter my subject. If my shutter speed is too low, I bump my ISO up until I achieve an appropriate shutter speed. I also use aperture priority when I am shooting landscape photos. Below we have a small image menu which will present to you the same scene taken with different aperture values. Want more understanding of aperture? F18 Narrow Aperture Wide aperture F4 The most light is let in, and we get a fast shutter speed.

Shooting in Aperture Priority Mode | Digital Photography More and more people are upgrading from digital point and shoot cameras to the now more affordable digital SLR cameras. Many people are attracted by the option of interchangeable lenses and increased creative control of the SLR cameras but many are often confused by all the options that come with this newfound tool. Although the digital SLR can capture great images when left in the automatic mode, it is much more fun and interesting to use the camera to control the outcome of your images. I have always loved taking pictures of people and animals and I remember the first time that I captured a picture of my kids where the children were in focus and the background was soft and blurred. This image focused all the attention on my kids and not on the trees in the orchard behind them. Captured at f6.3 (notice the muted background). From the time that I viewed this image on my computer I was determined to learn how to create this affect and not rely on luck.

What are Aperture and Shutter Speed? | Lightroom Presets: Pretty Presets A common question among new photographers is, “What are shutter speed and aperture?” A lot of people seem to get hung up on this question, thinking that it has a complicated answer, but with a little bit of study, it is really quite a simple concept: your shutter speed and aperture determine how much light enters your camera. The two are closely related, as you will see, so let’s look at aperture first. 1. Aperture is the amount of light that is allowed into the camera through an opening in the lens, and is measured in f-stops. As you can see in this diagram of common f-stops, f/1.4 has a very wide opening, whereas f/11 is much smaller. You’re probably thinking, “Why would I want less light to enter my lens, why not just shoot at the widest aperture possible, at all times?” In the example above, look at the progression between f/1.8 and f/3.5. The shutter speed also affects how much light is let into the camera, so let’s now look at shutter speed. 2. 3.

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