These ball prisms are very useful for industry general purpose measurements with Total Stations with ATR system. Please note that for the same 32mm ball diameter there is two types of prisms : 0.5 and 1 inch. So, for 0.5 inch the ball is not smaller as it could be understood. Goods received in Brazil just two weeks after the order, thanks Geomat !
These ball prisms are very useful for industry general purpose measurements with Total Stations with ATR system. Please note that for the same 32mm ball diameter there is two types of prisms : 0.5 and 1 inch. So, for 0.5 inch the ball is not smaller as it could be understood. Goods received in Brazil just two weeks after the order, thanks Geomat !