(vimeo) It’s been awhile since Mavis updated their app to take use of both of the iPhone 7 Plus’s cameras. I had a bit of time, so I went out to try filming some night shots with the iPhone anamorphic rig. Some key differences and changes now are better PID settings on the Beholder for this rig, the ability to shut off the OIS, and the ability to lock things like shutter speed and ISO. I wasn’t trying for perfection for this shoot, as I wanted to see what ISOs worked on the iPhone. It’s not really known for…