Product Information

Professional Circular Prism for Leica Total Stations

Name: Leica Style GPR121M Circular Prism
Brand: Leica Style
SKU: STD03
Price: 220.00 USD
Availability: InStock

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.

✓ 1× Leica Style GPR121M Circular Prism
✓ 1× Protective Carrying Case
✓ 1× Technical Documentation
✓ 1× 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.

Shipping:

Origin: We fulfill orders from our global logistics network / production centers.
Typical delivery times:
- US & EU: 7–12 business days
- Global: 10–15 business days
Tracking: Every shipment includes end-to-end tracking.
Duties & taxes: Calculated at checkout where available, or payable upon import per local rules.
Dispatch time: Usually 1–3 business days after order confirmation (we’ll notify you if an item needs extra prep).
Partial shipments: If a multi-item order is ready in stages, we may ship available items first.

Returns:

Return window: 14 days from delivery for unused items in original packaging (exceptions: consumables and custom builds).
Return address: We’ll provide a regional return address when you open an RMA (US or EU where applicable).
Refunds: Processed within 5–7 business days after inspection.
Exchanges: Fast replacement dispatch once the RMA is approved.

Warranty & Service:

Coverage: All instruments include manufacturer warranty.
Support: Remote onboarding (setup call + quick-start materials) and priority email support.
Repairs & calibration: We coordinate with authorized service partners as needed.

Support

Manufacturer warranty: All instruments include official warranty per brand policy.
Remote onboarding: We help you get started—video call + setup checklist + quick-start PDF.
Technical support: Priority email response; diagnostic help for connectivity, firmware, and workflows.
Repairs & calibration: We route service through authorized partners; we’ll coordinate logistics and keep you updated.

FAQ

Q: Where are you located?
A: Metricop is a specialized online store registered in the US & EU. We ship globally with tracking.

Q: Where do you ship from?
A: From our global logistics network / production centers. Typical delivery for US/EU is 7–12 business days (global 10–15).

Q: Do you offer warranty?
A: Yes - manufacturer warranty on all instruments. We also provide remote onboarding and coordinate service with authorized partners.

Q: How do returns work?
A: Start an RMA within 14 days of delivery. We’ll provide a regional return address (US/EU where applicable).

Q: Can I get a formal quote?
A: Yes - use Request for Quote. We typically reply within 2 business hours.

Q: Payment methods?
A: Major cards and bank transfer. For business purchases we provide tax-compliant invoices.