The ARRI SXU-1 Single Axis Unit sounds like a versatile tool for wireless control in filmmaking. Its single-axis focus, iris, or zoom control capabilities, along with remote camera start/stop and tally functions, offer flexibility on set. The ergonomic wooden handgrip and backlit display window enhance usability in various lighting conditions. Additionally, compatibility with the WCU-4 or SMC-1 single-motor controller expands its functionality further. With features designed to ensure visibility of focus marks and smooth operation, the SXU-1 seems like a reliable addition to any filmmaker’s toolkit.