LJ104 Mini Prism For Total Station Our Copper-Coated Mini Prism LJ104 consists of a 1-inch (25.4mm) monitoring prism, held in water proof aluminum housing and by a sturdy aluminum L-bar holder. With a copper-coated prism made from high quality optical glass, offers a working range of up to 2,000 feet (0.61km). A special dirt and condensation-resistant coating keeps the reflective surface clear without regular maintenance and the tight fit of the holder prevents water issues. Stand the mini-prism on any flat surface for temporary use, or securely attach the L-bar Mini Prism to a wall or structure for long term use in any weather. This makes it ideal for deformation and mining surveys. Of course, the mini prism can be detached while the L-bar is mounted. 1 Perfect for deformation or mining surveys, and places where a permanent mounting is needed 2 Offset:0/-30mm 3 Weight:0.2kg L-bar:0.375 x 3"(10*75mm) and has screw holes 1/2" wide 1/3" hex wrench to adjust the tilt screw. 4 Working range:2,000 feet (0.61km)
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