Originally Posted by rsutton1223
You have to turn on the ISO low feature for it to go down to 50...a lot of the Canon's have that. I turned it on for my Mark III as well. Those Alien Bee's are great lights as well.
I love my Alien Bee's. The 1600s are perfect for all of my needs. They are rugged, decently consistent, and one of the best bangs for the buck when it comes to lighting. I'm also very much in love with my vagabond mini. It just became a pain to lug around the vagabond II.