Topcon Total Station: The compact, lightweight design of the ES series has all the functionality you need for day to day tasks. With a 300m working radius you can drive this entry level total station from the hand-held field controller, and focus on the task at hand. Also referred to as a two-operator economical robotic solution, LongLink™ technology in our ES series enhances flexibility in traditional field operations. And your investment remains current and connected in the event of device removal or loss