GPR121 Prism for Total Station 64mm Diameter 0mm Offset

The GPR121 Prism for Total Station is a high-precision surveying reflector designed for accurate distance and angle measurements. With an effective diameter of 64mm and a true 0mm offset constant, this prism eliminates calculation errors, providing direct readings from the prism center. It is an ideal replacement or upgrade for total stations from Trimble, Leica, Topcon, Sokkia, and other major brands.

The GPR121 Prism for Total Station features high-quality optical glass with a durable, weather-resistant housing. The 64mm diameter ensures excellent reflectivity for long-range measurements, making it suitable for topographic surveys, construction layout, and deformation monitoring. The 0mm offset simplifies data processing, as no correction factor is required. The prism attaches securely to standard 5/8‑11 threaded poles, tribrachs, or adapters.

The GPR121 Prism for Total Station is designed to withstand the rigors of daily field use. Its robust casing protects the optical elements from dust, moisture, and impacts. The prism’s silver or copper coating (optional) enhances signal return, even in low-light or dusty conditions. The included soft carrying case (if applicable) provides safe transport and storage. The prism is easy to clean and maintain, ensuring long-term reliability.

Ideal for surveyors, civil engineers, and construction professionals, this prism delivers consistent, repeatable results. Whether you are establishing control networks, performing as-built surveys, or setting out points, the GPR121 Prism for Total Station enhances measurement accuracy and efficiency. Upgrade your surveying toolkit with this durable, high-performance prism for error-free field operations.