This story first appeared in 2008 and was replayed in 2015. Another seven years have passed, so it’s time to resurrect it from the archives. It’s about a special moment between a man and his Pentax K20D.

Landscape photography is challenging enough, with ever-changing light, weather concerns, and complex scenes, that the last thing you want to do is to spoil your effort by making unnecessary mistakes. In the tutorial below you’ll learn how to confront errors that limit your chance of success.