Trimble Traverse Prism with AR Coating The Trimble Traverse Prism with AR Coating (58026020) is a high-precision survey prism engineered for control surveys, traversing, monitoring, and construction layout. Featuring a premium 52.5 mm silver-coated prism with an anti-reflection (AR) coated front surface , it delivers exceptional measurement accuracy, extended EDM range, and reliable robotic tracking for demanding surveying applications. Key Features 52.5 mm precision survey prism with -35 mm prism constant . Anti-reflection (AR) coating improves measurement accuracy by reducing unwanted reflections. Long measurement range up to 5,000 m , or 5,500 m with Trimble DR Plus EDM. Long Range FineLock™ compatible with passive tracking up to 2,500 m . Mounted at the Nodal Point for maximum surveying accuracy. Integrated sighting target and 135 mm target height simplify accurate field setup. Compatible With Compatible with Trimble robotic and conventional total stations , including S Series, SX Series, RTS Series, and VX Series , as well as standard 5/8 x 11 prism poles, tribrachs, and prism mounting systems .