The Hedén Ymer-3 is a high-end wireless control system for Focus / Iris / Zoom that has been designed to be dependable. As you would expect from a Hedén product the motors and the motor control is very precise and direct with no lag.

The system has unique functions that make the system very easy to use, like:
LenSaver manual calibration, a much safer and easier way of manually calibrating.
Manual override that makes it possible for an operator to take manual control of the lens without removing the motor or recalibrating the system.
Lens mapping on focus, makes lens changes quick and easy. (
Mounting points on the transmitter makes it easy to attach other devices.
The motor control is very accurate and with the new Hedén motors M26VE-LX and LM30 the response and top speed is extremely fast, all in a small package and with high torque.
Lensmapping, on focus only and initially in feet.
The wireless transmission uses a very robust automatic frequency hopping technology without the need to set, and change channels manually. The range is up to 500 meters /1600 feet, line of sight.