Mastering aperture, shutter speed






















Read more. The travel and tourism industry continues to go from strength to strength. Baler accommodation is the first thing that comes in my mind when we decided to visit one of the Philippines top surfing destinations. Please enter your comment! Please enter your name here. You have entered an incorrect email address! Related posts. Understanding exposure is the key to enhance your photography skills and get those creative shots you've always wanted. Previously, I have posted an article Most likely, you have already read the manual and even searched In my previous post about exposure triangle, I briefly discussed the three components that control exposure in photography - aperture, shutter speed and ISO Understanding exposure is a requirement if you want to learn photography.

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The analogies Al Judge employs to explain the concepts helped me understand technical terms. Very useful for beginner photographers. I have said this before, but it bears repeating, if you are looking to take a really sharp, crisp picture , there is nothing you can do to help your cause more then have a fast shutter speed.

In that case, make it as fast as possible. If you want to catch a sports scene at exactly the right time, or catch a hummingbird in flight, or just catch your kids that except for the right moment, it takes more than precise timing. It takes a precise shutter speed to ensure you catch that exact moment without any blur. Camera blur is not just created by you moving the camera.

It can also be created by your subject moving. And sometimes your subject is moving really, really fast. In those situations you need to make sure your shutter speed is very fast so that your subject is not moving while the shutter is open. Open the Aperture: Make sure the aperture of your camera is opened up. If you do this in an automatic mode, the camera should automatically increase your shutter speed.

If you do this in Manual mode, this will allow you to increase your shutter speed. Each stop of ISO that you add allows you to double your shutter speed. A super-slow shutter speed can really make your picture in the right circumstances. Understanding light is the key to producing compelling photos. ISO is how sensitive your sensor is to light. Higher ISOs allow a sensor to absorb more light—but they also introduce more noise to the photo. Aperture is a measure of the amount of light allowed to hit an image sensor.

The wider the aperture, the shallower the depth of field, and the more light that comes in. Shutter speed is how long your shutter remains open. A fast shutter speed lets in less light and gives the effect of freezing an object in motion. Slower shutter speeds are good in low light when you need to let more light in or any time you want the effect of blur and movement. ISO, shutter speed, and aperture work together to determine exposure. When you make an adjustment to one, you need to make the opposite adjustment to one of the others if you want to maintain consistent exposure.

Say, for example, you have your exposure dialed in but you decide you want a faster shutter speed to freeze the frame even more. Increasing the shutter speed will mean that less light will be hitting your sensor.

To compensate for this, you will need to use a wider aperture or higher ISO to keep a correct exposure. Each has its own advantages and which one you choose to use is largely a matter of preference. Selecting the right shutter speed largely comes down to knowing what your subject is and what your goal is in taking the photo.

This chart gives you an idea of what various shutter speeds can be used for. Keep in mind, however, that this is only a starting point and that these values still need to be balanced against aperture and ISO to make sure that enough light is hitting the sensor. This chart is just a starting point. Deciding which shutter speed to use will be a matter of trial and error depending on how fast your subject is moving and what the available light is.

Using shutter speed to your advantage will depend on having an understanding of what you are going for. Do you want to freeze the action of that athlete or do you want to give your image a sense of motion? Decide what you want, consult the chart, and then start tweaking.

If you find that the image is blurrier than you would like, use a faster shutter. Something to keep in mind when choosing your shutter speed is that the longer your shutter is open, the better the chances of camera shake blurring your photos. This is especially true when shooting with a longer lens. If your shutter speed will be slower than the length of your lens, it may be time to break out the tripod. Image stabilization in your camera or lens may also help negate some of this shake.

Shutter priority mode allows you to select the shutter speed you want while the camera figures out the ISO and aperture for a proper exposure. Spend some time playing with the shutter priority mode to see what happens to your images when you speed up or slow down the shutter speed. Want to use a long exposure but your image is too bright? Even at the lowest ISO and narrowest aperture? Just as a slower shutter speed will allow more light to enter your camera, it will also allow for more motion blur to appear in an image, since the shutter will be open for a longer interval and will therefore capture more movement.

Similarly, a faster shutter speed will capture less movement, reducing blur and freezing the object mid-motion, creating a sharper image. These are better for reducing motion and freezing a moving subject. If your subject is not moving quickly, you may be able to go outside the highlighted range, but notice in the illustration that the further away you get from that highlighted area, the more blur you should expect to see. Below, we have three perfect examples of subjects in various stages of movement and at different rates of speed.

While a great deal of motion is occurring in these scenes — the cascading waves of a waterfall, a body at the peak of a jump, and a dog spriting at high speed — these subjects appear frozen in time due to the employment of a faster shutter speed.

Again, notice how crisp and clear the images appear when using these settings. Also note that all three scenes occur in conditions with a great amount of light, allowing for a faster shutter speed to be used without overly darkening the images. Like before, you may find that a speed slightly outside that range will get the effect you desire, but this is a safe starting point for a situation with movement that is happening very slowly or in very small degrees.

In these examples, we can see that a medium shutter speed produces images that, while crisp and clear, do in fact allow for a slight degree of motion effect. All three images were captured indoors or in an enclosed space, which limited the amount of light available. The photographers probably chose this shutter speed range over a faster one to compensate for the lighting situation.

Looking at our handy chart again, this time we are highlighting slower shutter speeds. Here we have an interesting variety of images that utilize a motion blur effect in very different ways. In the first image, a slower shutter speed is employed in order to capture the moment of a weightlifter at work, with the motion blur enhancing the effect of the physical action. In the second image, we get a sense of chaos from the motion of lottery balls colliding with each other.

Camera shake is technically a form of motion blur , but not all motion blur is due to camera shake.



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