A Follow Focus Ring allows you to manually adjust the lens focus smoothly on the fly. A camera lens is already designed to do that, so a Follow Focus Ring just needs to make it easier. The $1000+ solutions from Redrock Micro and Zacuto do it by adding gears and a dial knob. But, all you really need is a handle on the lens to make adjusting the focus easier. That’s where the jar opener comes in. Read More …