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OMNI L Bar Monitoring Prism Dual Bolt Hole

$219.00  $109.00
Save: 50% off

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  • Model: 3405
  • Manufactured by: Omni Optical Products

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Omni's 3405 L-Bar mini prism is constructed of anodized aircraft grade aluminum. It comes mounted in a metal holder. A L-bar is also supplied for fixed installations. The mini monitoring prism is perfect for deformation, mining surveys, or in places where a fixed mounting is required. constructed of anodized aircraft grade aluminum.


  • Offset is dependent on mounting position

  • 25-mm - prism housing rotates a full 360 degrees, rear of housing extends past L mounting arm

  • 1/2" Wide - 3" x 3" L Shape with a TWO  3/8" mounting hole's, bolt extends approx 1/4" below arm

  • 25.4mm prism is ground to 2 arc seconds

  • Maximum distance 2000m (7000ft) under normal conditions

  • L-bracket has 2 holes 8mm (5/16″) for ease in mounting

  • Prism Offset-Trimble & others: -25.5mm

  • Prism Offset-Leica: +8.92mm