Vanguard Alta BH-250 Ball Head

okay this video is on the Vanguard SBH 250 ball head and it's a relatively new ball head for the vanguard line it's an excellent ball head and the reason I'm doing the video is because this knob right here this knob right here it wasn't until today that I figured out what it did now the other knobs are pretty much self-explanatory and and this one here allows you to adjust the x-axis and then lock the x-axis once you have it where you like it and then this one here allows you to have free access to the ball movement allowing it to be positioned where you'd like and then lock the ball in place so these two are pretty commonplace throughout the industry it's just this one here that's the mystery knob and I went to youtube tried to find videos on it note there's no videos that's why I decided to do this video and what this let me go over some of the other features first one of them really