One-touch ease-of-use layout tool

Layout and navigation solution for concrete, mechanical, electrical, plumbing and more

The world’s first 3D positioning system designed for construction layout just got better. The LN-150 is a 3D robotic laser from Topcon really does allow you to move beyond the constraints of tape, chains, and stakes.

This tool is easy to learn and easy to use, letting you automate and execute layout and construction verification processes for increased productivity, accuracy, and bottom-line savings.

The LN-150 is ready to work on nearly every type of building construction project – concrete, mechanical, electrical, plumbing and more. And if you are operating a mini excavator, the LN-150 can shave hours (and sometimes days) off your jobs.


With more than 80 years of optical technology innovation behind it, Topcon’s LN-150 layout navigator was engineered for contractors’ specific indoor/outdoor positioning needs.

The layout navigator automatically locks onto the prism for real-time positioning on the go. Built to perform on any project that demands confident, precise 3D positioning at up to a 130m working radius, the LN-150 is a uniquely user-friendly solution for your positioning needs.

Easy data workflows

The LN-150 is optimized for use with MAGNET field, cloud, and office software and includes seamlessly integrated workflows with popular design software, including Autodesk's Revit, Navisworks, AutoCAD Civil3D, and more.

Field control with MAGNET Construct covers basic layout and verification applications, while MAGNET Field can be used for more advanced applications such as setting jobsite control.

Signature Pools Testimonial

Signature Pools is known for their high-end custom pool designs and construction. Watch how they’ve shaved off hours, days and weeks by going from using conventional layout methods to using a complete digital workflow which allows them to import points directly from the field into CAD. Additionally, the LN-150 has opened the door to other revenue streams and opportunities for their employees by being able to do more jobs and take on more work than previously possible.

Simple, precise layout navigation

By blending our self-leveling laser and robotic total station technologies, Topcon created a new way to perform construction and BIM layout. Simply position and turn on the layout navigator to self-level and connect, automatically.

Watch this technology explainer animation video to learn more about the LN-150.

Features include

  • Single-operator solution for precise 3D layout
  • Easy one-button, self-leveling setup
  • Wi-Fi and long-range Bluetooth® instrument communication options
  • Seamless cloud-connected workflows with Autodesk and MAGNET
  • Use with MAGNET Construct mobile app on your phone or tablet

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