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Mining, Tunnelling & Industrial Lasers »

Tunnelling Penta Prism

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GSR's Tunnelling alignment PentaPrism deviates a laser beam at an angle of 90 degrees which is independent of any rotation of the prism. This prism is ideal for any precision alignment systems. The prism surface measures 40 x 40mm, which permits large movements of the laser beam.

Ideal for set outs of buildings , mining & tunnelling, lift shafts and many other applications. Penta prism also has applications in precision alignment systems.


  • 90 Degree Penta Prism size: 40 x 40mm
  • Case size 65 x 65 x 50mm

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