Leica Style

Leica Style GPR121M Circular Prism

$204.03
4.83

Contact us for the best deal on this product.


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.

Secure Payments
American Express
Apple Pay
Diners Club
Discover
Google Pay
Mastercard
Shop Pay
Visa
  • Quick worldwide shipping with trusted carriers
  • Multiple safe payment options for peace of mind
  • Professional advice to choose the right equipment
  • 24/7 premium customer assistance

Product Information

Professional Circular Prism for Leica Total Stations

The GPR121M Circular Prism delivers precision measurement capability for surveying professionals using Leica total stations. Engineered with advanced optical coatings and robust construction, it ensures reliable performance across demanding field conditions.


Precision Engineering

Built with exceptional beam deviation control of just 2 arcseconds, the GPR121M maintains measurement accuracy that professional surveyors depend on. The anti-reflection copper coating optimizes signal return while the precision-ground glass construction ensures consistent optical performance across the full 3,500-meter working range.

Field-Ready Durability

The robust metal holder protects the optical elements from impact and environmental conditions while maintaining precise alignment. Weather-resistant construction and removable target plate design provide the flexibility and reliability needed for extended field operations in challenging environments.


Key Advantages

  • Extended 3,500m working range for large-scale projects
  • Superior 2 arcsecond beam deviation accuracy
  • Anti-reflection copper coating for optimal signal return
  • Removable target plate for operational flexibility
  • Robust metal construction for long-term field reliability

Model: GPR121M

For Total Station: Leica-compatible

Height Offset: 86.0mm

Prism Constant: +0.0mm

Beam Deviation: 2 arcseconds

Working Range: 3,500m

Mount: Leica-compatible

Material Coating: Copper

Carrying Bag: Yes

Features :

Ultra-High Precision

Beam deviation of 2 arcseconds with +0.0mm prism constant ensures survey-grade accuracy

Extended 3,500m Range

Delivers reliable measurements across large construction sites and boundary surveys

Durable Metal Construction

Sturdy metal holder withstands daily field use and harsh environmental conditions

Anti-Reflection Coating

Copper coating maximizes reflectivity for consistent performance in varying light conditions

Removable Target Plate

Flexible configuration adapts to different surveying requirements and measurement scenarios

Leica Total Station Compatible

Seamlessly integrates with Leica instruments for professional-grade measurement accuracy

Portable Design

Compact build with included carrying bag ensures easy transport between job sites

Cost-Effective Solution

Delivers premium performance as a reliable replacement at competitive pricing

Download Center
Reviews :
4.8/5
★★★★★
Based on verified reviews
★★★★★
Marcus Chen
Senior Land Surveyor · Verified Purchase
Exceptional Range and Precision
The GPR121M consistently delivers accurate measurements at the full 3,500m range with our Leica TS16. Build quality is outstanding with excellent optical clarity even in challenging field conditions.
★★★★★
Sarah Rodriguez
Principal Survey Engineer · Verified Purchase
Reliable Performance in Harsh Environments
Used this prism extensively on infrastructure projects and it maintains consistent accuracy despite exposure to dust and temperature variations. The circular design provides excellent visibility from multiple angles.
★★★★★
David Thompson
Construction Surveyor · Verified Purchase
Perfect Compatibility with Leica Systems
Seamless integration with our Leica total station fleet, providing reliable measurements up to maximum range specifications. The robust construction has withstood two years of heavy field use without degradation.
★★★★☆
Jennifer Walsh
Geodetic Surveyor · Verified Purchase
High-Quality Alternative Solution
Excellent optical performance and durability comparable to OEM prisms at a more competitive price point. Maintaining precision standards across extended measurement distances with consistent repeatability.
★★★★★
Robert Kim
Survey Operations Manager · Verified Purchase
Outstanding Value for Professional Applications
Deployed across multiple survey crews with consistently positive feedback on accuracy and durability. The 3,500m range capability meets our most demanding project requirements while maintaining measurement integrity.

What's in the Box

Everything you need to get started.

  • Leica Style GPR121M Circular Prism
  • Protective Carrying Case
  • Technical Documentation
  • Quality Certificate

Note: Prism pole and accessories sold separately.

Frequently Asked Questions

General
What is the maximum working range of the GPR121M Circular Prism?
The GPR121M offers an impressive working range of up to 3,500 meters, making it suitable for long-distance surveying applications and large-scale construction projects where precise measurements are required at extended distances.
Is the GPR121M compatible with all Leica total stations?
The GPR121M is specifically designed for optimal compatibility with Leica total stations, ensuring seamless integration and reliable performance. However, we recommend verifying compatibility with your specific model before purchase to guarantee optimal measurement accuracy.
What construction materials make this prism suitable for professional surveying?
The GPR121M features durable construction designed to withstand harsh field conditions typical in professional surveying environments. Its robust materials ensure consistent performance and longevity, making it suitable for daily use in various weather conditions and challenging terrain.
What accuracy specifications can I expect from the GPR121M?
The GPR121M is engineered for high-precision measurements, delivering reliable and accurate results required for professional surveying applications. The circular design ensures consistent reflectance and minimal measurement errors, supporting the exacting standards demanded in geodetic and engineering surveying projects.
What mounting options are available for field deployment?
The GPR121M Circular Prism is designed for versatile field deployment and can be mounted on standard surveying poles and tripods using conventional threading systems. Its balanced design ensures stable positioning during measurements, while the circular configuration provides consistent reflectance from multiple angles.

Still have questions? Contact our technical support team.

This Shipping & Delivery Policy applies to orders placed through metricop.com and to quotations, proforma invoices and sales confirmations issued by Surveying Equipment Metricop LLC (“Metricop”, “we”, “us” or “our”), unless another selling entity or different shipping terms are expressly identified in the applicable quotation or invoice.

If a quotation, proforma invoice or written sales confirmation contains shipping terms that differ from this Policy, the terms in that document will control. Nothing in this Policy limits any mandatory rights available to a Consumer under applicable law.

1. Order acknowledgement and acceptance

An automated order confirmation only confirms that we have received the order. It does not constitute final acceptance of the order or confirmation of product availability.

An order is accepted when Metricop sends a written order acceptance or dispatch confirmation, or otherwise expressly confirms acceptance in writing.

Before acceptance, we may verify:

  • product availability;

  • price and specification accuracy;

  • payment status;

  • shipping address;

  • export or import restrictions;

  • compatibility or configuration information; and

  • suspected fraud or payment risk.

If we cannot accept an order, any payment already received will be returned using the original payment method.

2. Availability and shipping origin

Products may be dispatched from Metricop stock, a logistics partner, an authorised supplier or a manufacturer warehouse. The shipping country may therefore differ from Metricop’s registered business address.

Orders containing several products may be shipped in separate packages and may arrive on different dates.

Stock information is based on the information reasonably available when the order is placed and may change before final order acceptance. Products described as available, in stock or supplier stock are subject to final verification.

3. Processing and delivery estimates

Any processing, dispatch, transit or delivery time displayed on the website, quotation, invoice, order confirmation or tracking page is a good-faith estimate only, unless Metricop expressly confirms a guaranteed date in writing.

Where the website states “Estimated delivery: 4–7 business days,” this means the typical estimated delivery period for eligible in-stock orders after payment and order verification. It is not a guaranteed arrival date.

Delivery estimates may be affected by:

  • stock or supplier availability;

  • technical configuration or testing;

  • calibration or certification;

  • payment verification;

  • customer response time;

  • export documentation;

  • destination and remote-area service;

  • carrier capacity;

  • customs clearance;

  • import inspections;

  • public holidays, weather or other events outside our reasonable control.

Business days exclude weekends and public holidays applicable at the dispatch location, carrier hubs or destination.

If delivery by a particular date is essential, the Buyer must contact Metricop before placing or paying for the order. A requested date, project deadline or “required delivery” field does not become binding unless Metricop expressly accepts it in writing as a guaranteed delivery date.

If a material delay occurs, we will provide an updated estimate and any cancellation or refund options required by applicable law.

4. Shipping methods and charges

Shipping methods and charges depend on the product, destination, value, dimensions and required service.

Where “free shipping” or “shipping included” is stated, it covers only the standard transportation service expressly included in the order. Unless stated otherwise, it does not include:

  • customs duties, import VAT or local taxes;

  • brokerage or clearance fees;

  • remote-area or address-correction surcharges;

  • storage, demurrage or redelivery charges;

  • special permits or inspections;

  • return transportation; or

  • cargo insurance exceeding the carrier’s standard liability.

If an additional shipping charge becomes necessary before dispatch, we will request the Buyer’s approval. The order will not be dispatched with an unapproved material additional charge.

5. Customs, duties and importer responsibilities

Unless an order is expressly confirmed as DDP – Delivered Duty Paid, the recipient is responsible for customs clearance, import duties, VAT, taxes, brokerage charges and other destination-country costs.

The recipient may be treated as the importer of record and is responsible for providing accurate identification, tax numbers, permits and other information requested by customs authorities or the carrier.

Customs clearance time is outside Metricop’s direct control and is not included in any estimated delivery period unless expressly stated.

Metricop will not declare an incorrect value, description or country of origin or identify commercial goods as gifts.

6. Shipping addresses and delivery attempts

The Buyer is responsible for providing a complete and accurate delivery address, contact person, telephone number and any required customs information.

A request to change the address after order acceptance may result in delay, additional charges or cancellation if the shipment can no longer be redirected safely.

Delivery may require a signature. Delivery to the address, reception desk, mailroom, site office or person reasonably appearing authorised to receive the shipment will normally constitute delivery.

7. Risk of loss

For Consumers, risk of loss remains with Metricop until the Consumer or a person designated by the Consumer takes physical possession of the goods, where required by applicable law.

For Business Customers, the Incoterm stated in the quotation or invoice controls. If no different Incoterm is stated and Metricop arranges and prepays transportation, the order is shipped CPT Buyer’s delivery address, Incoterms® 2020. Risk passes to the Business Customer when the goods are handed to the first carrier, even though Metricop pays transportation to the stated destination.

Unless expressly included, cargo insurance beyond the carrier’s standard liability is not provided. Business Customers may request additional cargo insurance before order acceptance.

8. Inspection and transit damage

The recipient should inspect the shipment immediately upon delivery.

Visible external damage, missing packages or suspected tampering should be noted on the carrier’s delivery record. Photographs of the package, labels, contents and serial numbers should be taken before packaging is discarded.

Business Customers must notify Metricop of visible shipping damage, shortages or an incorrect product within five business days after delivery. Notification should include:

  • order or invoice number;

  • tracking number;

  • description of the issue;

  • photographs or video;

  • product and package labels; and

  • applicable serial numbers.

Failure to notify us promptly may prevent recovery from the carrier and may affect a Business Customer’s claim to the extent permitted by law. This does not limit non-waivable Consumer rights.

The recipient must retain all original packaging until Metricop confirms that it may be discarded.

9. Delayed, lost or misrouted shipments

Tracking information and carrier estimates are not guarantees.

If a shipment appears lost or materially delayed, please contact Metricop so that we can open a carrier investigation. Carrier investigations may require information or documents from the recipient.

For Business Orders where risk has already passed to the Buyer, Metricop’s assistance with a carrier claim does not mean that Metricop has reassumed the risk of loss.

10. Refused and undeliverable shipments

A Business Customer’s refusal to accept a conforming shipment, failure to provide customs information or failure to pay import charges does not constitute an authorised cancellation.

Actual return freight, storage, customs, brokerage, redelivery and other non-recoverable costs may be deducted from any amount otherwise refundable to a Business Customer.

Consumer rights regarding refused or undelivered shipments remain subject to applicable mandatory law.

11. Events outside our reasonable control

Metricop is not responsible for delays caused by events outside its reasonable control, including carrier disruption, customs action, export restriction, government order, labour dispute, natural disaster, severe weather, war, civil disturbance, epidemic, cyber incident, supplier interruption or infrastructure failure.

For Business Customers, Metricop is not liable for project delay, downtime, lost profit, substitute-equipment costs or other indirect or consequential loss resulting from a delivery delay, except where liability cannot lawfully be excluded.

12. Contact

Questions regarding shipping should be sent to:

Surveying Equipment Metricop LLC
30 North Gould Street
Sheridan, WY 82801, USA
Email: sales@metricop.com