Straighten your subject with geometry

- [Instructor] Geometry is great … for straightening architectural images. … We expect a building's vertical and horizontal lines … to be aligned, … but capturing perfectly perpendicular or level lines … is challenging, … even for experienced photographers. … When a building a photographed from ground level … with the camera aimed up, … a perspective effected called keystoning happens. … We see here, in this iPhone photo, … the keystoning of the vertical lines converging in … towards the top of the frame. … Fixing these kinds of alignment issues … is easy with Lightroom's geometry. … Geometry's found at the bottom of the edit panel. … You can toggle this open here … or jump to it with a Command or Control + Six. … It doesn't look like there's a lot here, … but if you look at where it says upright off, … there's some presets in here, including auto. … I always start with auto and see what happens. … And on this image, … auto straightened this image up in one click. … It's pretty amazing how well it works. …