One of the original budget brands of the digital era, Yongnuo has long been known for creating very affordable speedlights. In more recent tears, the company has branched out into manufacturing lenses, such as the new YN 50mm f/1.8 DA DSM PRO for Fujifilm X Series cameras. This great video review takes a look at the lens and the sort of performance and image quality you can expect from it in usage.