A simple Photoshop routine.
The eye is exceptionally sensitive to parallelism and hence to leaning verticals. Hang a picture on the wall just a few minutes of arc out of level and anyone will spot the error immediately. Leaning verticals in photographs, where none are called for, are every bit as objectionable.
Correcting these is easy and better done in Photoshop than in Lightroom with its limited controls.
Click the picture for the instructional video and watch out for the phone call at the end! It seems that no matter how hard one tries to switch of all the sounds that pervade our lives, there’s always at least one sound source to be missed.
Click the picture for the video.
The video is 8 minutes long.