Tiltshift effect in lightroom3/28/2023 ![]() ![]() ![]() Whether the rest of the image is sharp or not depends on factors like the aperture, focal length and how close you are to the subject. But your lens sees things differently – it can only focus on a single point within the frame. When we look at something our eyes adjust focus automatically, creating the impression that everything around us is in sharp focus. Selective focus is one of the easiest tools you have for guiding the viewer's eye to the important parts of your images. ![]() ![]() Using a short telephoto lens and a wide aperture setting helped me achieve this. I framed this flower carefully to avoid any distracting colours or bright highlights in the background. Eliminating distractions helps simplify your composition and improve your photos. Your brain may ignore it when you're looking at the person you're photographing, but the camera will record it. If you're taking a portrait, for example, and someone is walking by in the background that's a distraction. One way to do this is by being selective – close in on your subject and try to exclude anything that is a distraction. The camera records everything, so we need to find ways of guiding the viewer to look at whatever the photographer deems important. Our eyes and brains are selective – when we look at something we tend to look at what interests us and ignore the rest. You only have to enlarge an image taken with a modern digital camera on your computer to appreciate the resolution of modern cameras and optics. If the aperture is small enough, everything from the front to the back of the image is in focus and recorded in exquisite detail. How many times have you failed to notice something that is literally right in front of you? That's the result of your brain's selective vision.Ĭameras are different. The brain takes this information and builds it up into a selective, moving image. Our eyes are constantly moving, taking in different aspects of the scene and adjusting instantly to changes in brightness. And if something doesn't come out the way you planned, you have an opportunity to try again. These tools are useful because they help you visualize how your photos will look after you have processed them. You can also use the camera's Live View feed to compose the image in the first place, rather than a viewfinder. All you need to do is to look at the image on the camera's LCD screen to see how it has been rendered in two dimensions. But we always need to be aware that the camera records an image with different characteristics than the one we perceive with our eyes.ĭigital cameras have made the process of visualization much easier. Photographers don't have to worry about rendering depth too much as cameras take care of the business of accurately recording the scene in front of the lens. We may not even realize this until it is pointed out as we are accustomed to seeing two dimensional representations in the form of paintings, drawings and photographs. Stereoscopic cameras aside, cameras see through a single lens, and record the world in two dimensional images. This enables us to judge distance and determine how close objects are to each other. Humans have two eyes, and each looks at something from a slightly different angle. This ability to picture how a camera will record a scene is called visualization – a skill that all photographers need to practice. An understanding of the differences between the way that a camera records light, and the way the brain interprets the information sent to it by our eyes, will help you create better photos. Good photographers learn how their cameras 'see' and exploit this to create better images. The camera doesn't'see' the world the same way that the human eye does. ![]()
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