Adobe Camera Raw: how to remove lens distortions from interior shots |
Digital Camera World

aking photos of the interiors of buildings usually means reaching for a wide-angle lens. However you may find that the lens introduces some distortion. The vertical lines in your interior may curve slightly at the edge of the frame, due to the way the light is warped as it travels through the lens. This pincushion (curving inwards) or barrel (curving outwards) distortion can be distracting, as our eyes see walls as being perfectly straight. In a photograph the interior’s walls may also converge slightly towards the top of the frame, instead of running parallel with the edges. Fortunately, Photoshop CC’s Camera Raw workspace has all the tools you need to quickly and easily counteract geometric distortions such as curved lines……..

Source: www.digitalcameraworld.com