Survey Circular Prisms
Find the product you need with our specific circular prisms collection. With these, you will have the capability to conduct various types of surveys, no matter the situation. Survey circular prisms represent an essential tool for accurate and reliable distance measurements in surveying, construction, and also in various engineering applications. The ones that we have here are made from high-quality glass or plastic materials and are compatible with electronic distance measurement (EDM) devices, such as total stations and laser distance meters. The same with mini prisms, monitoring prisms, or 360 prisms, these too are easy to install and can be mounted on tripods, poles, or other support structures using standard adapters.
For any questions, please contact our customer support team. sales@metricop.com
10 products

Leica Style
Leica Style GPR1+GPH1M Circular Prism
The GPR1+GPH1M Circular Prism is a durable and accurate, offering reliable performance, precision, and Leica compatibility for surveying, construction, and engineering projects.
Leica Style
Leica Style GPH1PM Circular Prism
The GPH1PM Circular Prism is a high-precision, offering ultra-accurate results, durable construction, and seamless compatibility with Leica total stations for professional surveying.

Leica Style
Leica Style GPR111M Circular Prism
The GPR111M Circular Prism is a cost-effective, offering precision, durability, and compatibility with Leica total stations for high-quality optical measurements.

Leica Style
Leica Style GPR121M Circular Prism
The GPR121M Circular Prism is a durable, high-precision with a 3,500m working range, delivering reliable and accurate results for Leica total stations in professional surveying.

Leica Style
Leica Style GPR121R Red Standard Circular Prism
The GPR121R Circular Prism is a high-precision with a 3,500m working range, durable copper coating, and Leica compatibility, making it ideal for professional surveying applications.

Nikon
Nikon Yellow Circular Prism
The NIKON Yellow Circular Prism delivers accurate 0/-30mm prism constant measurements, a durable metal and plastic build, and a highly visible 64mm diameter prism, making it ideal for Nikon total stations in complex field environments.

Pentax
Red Circular Prism for Nikon, Sokkia & Pentax
The PENTAX PSP01 Survey Red Circular Prism delivers precise measurements with a 0/-30mm prism constant and 5 arcsecond accuracy, offering durability and compatibility with Nikon, Sokkia, and Pentax total stations.

Topcon Style
Topcon Standard Circular Prism
The Topcon Standard Circular Prism offers 5 arcsecond accuracy, a 100.0mm height offset, and a -30/0mm prism constant, ensuring precision and durability for Topcon total stations in demanding surveying and civil engineering tasks.

Topcon Style
Topcon Yellow Survey Circular Prism
The Topcon Yellow Circular Prism delivers 100mm height offset, -30/0mm prism constant, and durable metal construction for precision surveying. It comes with a carrying bag for portability and secure storage, ensuring superior performance in the field.

Trimble Style
Trimble Standard Traverse Prism – Replacement
The Standard Circular Trimble Traverse Prism Assembly is a durable and precise, offering exceptional accuracy and compatibility for professional surveying networks.
Buying guide
Learn more about Survey Circular Prisms
Survey circular prisms are very helpful tools for land surveyors, engineers, and construction professionals who need precise distance measurements in various surveying applications. These prisms are designed to work seamlessly with electronic distance measurement (EDM) devices such as total stations and laser distance meters As such, they ensure high-accuracy reflections for reliable data collection. Whether you're conducting boundary surveys, topographic mapping, or construction stakeout, circular prisms enhance your measurement accuracy and field productivity by a mile.
What Is a Survey Circular Prism?
A survey circular prism is a high-precision reflector used in conjunction with EDM devices to help measure distances with millimeter-level accuracy. They are made from high-quality glass or durable plastic. They reflect the laser or infrared signal back to the total station, allowing for precise calculations of distance and angles.
Usually, they are:
- Mounted on Poles, Tripods, or Brackets – Using standard adapters for a flexible setup.
- Compatible with Various EDM Devices – Including total stations, laser distance meters, and GNSS receivers.
- Durable and Reliable – Designed to withstand tough field conditions.
Why Choose Survey Circular Prisms?
Survey circular prisms offer multiple advantages for professional surveyors and engineers. The main ones include:
✔ High Accuracy – Achieves millimeter-level precision in distance measurements.
✔ Versatility – Suitable for topographic surveys, boundary surveys, and construction layout.
✔ Durable Construction – Made from premium glass or high-impact plastic for long-lasting use.
✔ Easy Installation – Compatible with standard mounting systems for poles, tripods, or wall brackets.
✔ Cost-Effective – Offers reliable performance at an affordable price.
How Survey Circular Prisms Work?
Survey circular prisms work by reflecting the EDM signal back to the total station, allowing it to calculate the distance accurately. Here’s how they enhance your surveying workflow.
- Signal Reflection – The EDM device emits a laser or infrared beam towards the prism.
- Accurate Return Signal – The circular prism reflects the signal back to the EDM device.
- Distance Calculation – The total station calculates the precise distance based on the time it takes for the signal to return.
- Consistent Measurement – Ensures consistent accuracy even over long distances.
Applications of Survey Circular Prisms
Survey circular prisms are versatile tools used in a wide range of surveying and construction applications, including:
✅ Boundary Surveys – Precisely defining property lines and legal boundaries.
✅ Topographic Mapping – Capturing detailed terrain data for engineering and GIS projects.
✅ Construction Layout – Ensuring accurate placement of buildings, roads, and utilities.
✅ Monitoring & Deformation Surveys – Tracking structural movements over time.
✅ Infrastructure Mapping – Locating underground utilities and mapping urban landscapes.
Types of Survey Circular Prisms
When choosing a survey circular prism, there are several options that you may consider.
📌 Standard Circular Prisms – Versatile for general surveying tasks with high reflectivity.
📌 High-Precision Circular Prisms – Designed for millimeter-level accuracy in monitoring applications.
📌 Reflective Coating Options – Available with different coatings for optimized signal strength.
📌 Compact Designs – Lightweight and portable for easy fieldwork.
📌 Compatibility – Works with poles, tripods, and other mounting accessories.
Find the Best Survey Circular Prism for Your Surveying Needs
Investing in a high-quality survey circular prism ensures consistent accuracy, reliability, and efficiency in all surveying and construction applications. Whether you’re conducting boundary surveys, topographic mapping, or infrastructure monitoring, choosing the right circular prism enhances your measurement precision and field productivity.
➡ Browse our full collection of survey circular prisms and optimize your surveying accuracy today!
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