Trimble 360 Prism The Trimble 360 Prism (58020002) is a professional 360° survey prism engineered for reliable robotic total station operation and high-productivity surveying. Featuring seven precision silver-coated prisms , the Trimble 360 Prism provides continuous target visibility from virtually any direction, allowing surveyors to work efficiently without manually orienting the prism toward the instrument. Key Features Seven precision silver-coated prisms provide true 360° target visibility. +2 mm prism constant for accurate surveying measurements. Passive tracking range up to 350 m under normal conditions. Standard 5/8 x 11 mount for compatibility with common prism poles and tribrachs. Integrated surveying compatible with removable top cap. Compatible With Compatible with Trimble S Series, VX Series, RTS Series, and other Trimble robotic and conventional total stations supporting standard surveying prisms. Also compatible with standard 5/8 x 11 prism poles, tribrachs, and prism mounting systems . The same specifications also apply to the VX & S Series 360 Prism (P/N 58128001) and R10 360 Prism (P/N 58012029) .