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For Total Stations Surveying New Mini Prism Constant -30/0mm With 4 Pole:
$34.00
Survey Prism With 4 Pole
Prism Diameter: 25.4mm
Prism constant: -30 mm
Pole Diameter : 12mm
Pole Material : Aluminium alloy
Package: Mini Prism+ Four poles(30cm each)+ Soft bag
Note: when you use it to topco/sokkia/nikon type total staton the prism constant is -30 mm ；when you use it to leica instruments， the prism constant is not -30 mm
