Geomaster/China manufactures and supplies series of Surveying Equipment--Prism Reflection System (PRS), it includes Optical Prism, Prism Holder, Prism Target, Prism Adaptor, Prism Tribrach.
The following models are vailable in our website or in our general catalogue--
Prism Reflection Station (PRS)
PRS-11, PRS-12, PRS-13, PRS-14RD, PRS14-YW
PRS17-B/W, PRS17-B/Y, PRS17-R/W, PRS17-B/G
PRS18-BR, PRS18-RD, PRS18-YW
PRS19-GN, PRS19-RD, PRS19-YW, PRS19-WH
PRS20-B/W
PRS-30, PRS-31 PRS-32, PRS-33, PRS-34
PRS360-A, PRS360-B, PRS360-C
PRS-15, PRS-16, PRS-25, PRS-35, PRS-37