![]() ![]() ![]() ![]() Read more: What is dynamic watermarking? Learn how to protect your images with dynamic watermarks This kind of lens allows you to shift the lens’ optical axis relative to the camera’s sensor, which helps you to get more of the building in without the same kind of angling, although these lenses are expensive and somewhat fiddly in use, and really only intended for professional photographers who capture these kinds of subjects with some frequency. One solution is a tilt-shift lens, which is sometimes referred to as a perspective-control lens. Ideally, you would capture a building from an elevated position, with the sensor parallel to the building itself, but being able to get to such a position is rarely possible. This angling makes the bottom of the building closer to the camera’s sensor than the top, and this has the effect of changing the magnification between the two areas, relative to the camera’s sensor. Normally, in order to fit an entire building into the frame, we need to angle our cameras or smartphones upwards. So why does it happen? Can you avoid it? And how do you fix converging verticals when this affects your images? Why it happens But it’s less than ideal when buildings are the main focus in an image – and once you spot it, it’s hard not to notice it. You don’t tend to notice this in reality, and even in some images it might not be something you object to, that’s if you realize it at all. So what does this do to images? The effect makes buildings and other structures appear as though they’re falling backwards. In photography, it’s usually found when capturing architecture – and it’s often referred to by the term converging verticals, as this is how linear details appear. The keystone effect is a type of distortion that affects many images. Whether you’re using a computer, a smartphone or a tablet, we show you how to fix converging verticals. Keystoning, also known as converging verticals, is a common issue that affects images, but one that’s easy to fix. ![]()
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