S8221 Full frame Photography Edition Two inch Double helix Focusing Copper Core Oil lubricated Spiral Focusing
S8221 / 2-inch copper core oil lubricated spiral focusing Focusing motion mode: Double push and bi-directional movement, with minimal internal shaft sleeve force Light diameter: M44, full frame size Focusing accuracy: about 0.1mm Double screw body front and rear interface: M48 Focusing stroke: 30MM This focusing range (approximately): The shortest condensation is 35mm and the longest extension is 65mm, The outer diameter of the focusing cylinder is 70mm Load capacity: 2KG
