Topcon Style

Topcon Standard Circular Prism

$126.59
4.71

Contact us for the best deal on this product.


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.

Style: TOPCON RED
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Product Information

Topcon Standard Circular Prism

A precision-engineered reflector prism designed for professional surveying applications. Built to deliver consistent 5 arcsecond accuracy with Topcon total stations across demanding field conditions.


Precision Engineering

The Standard Circular Prism delivers exceptional measurement accuracy with its 5 arcsecond beam deviation specification. The 100.0mm height offset and -30/0mm prism constant provide optimal compatibility with Topcon total stations, ensuring reliable distance measurements across various surveying applications.

Field-Ready Construction

Constructed from durable metal materials, this circular prism withstands the rigors of daily field use while maintaining its optical precision. The robust design ensures consistent performance in challenging environmental conditions, from construction sites to remote surveying locations.


Key Advantages

  • 5 arcsecond accuracy ensures precise measurements for critical surveying tasks
  • Optimized for Topcon systems with factory-calibrated height offset and prism constant
  • Durable metal construction withstands field conditions while maintaining optical integrity
  • Complete with carrying bag for secure transport and storage between job sites

Model: Topcon Standard Circular Prism

For Total Station: Topcon-compatible

Height Offset: 100.0mm

Prism Constant: -30/0mm

Beam Deviation: 5 arcseconds

Material: Metal

Carrying Bag: Yes

Features :

5 Arcsecond Accuracy
Delivers exceptional beam deviation precision for reliable measurements
100.0mm Height Offset
Standard height ensures seamless integration with existing equipment setups
-30/0mm Prism Constant
Dual constant options provide flexibility for various measurement tasks
Topcon Optimized Design
Engineered specifically for seamless compatibility with Topcon total stations
Rugged Metal Construction
Built from high-quality materials to withstand demanding field conditions
Protected Storage Solution
Includes carrying bag for safe transport and storage during field operations
Professional Grade Optics
High-precision reflective surfaces ensure consistent signal return quality
Field-Ready Performance
Ready for immediate use in surveying, construction, and engineering applications
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Reviews :
4.8/5
★★★★★
Based on verified reviews
★★★★★
Michael Henderson
Licensed Surveyor · Verified Purchase
Exceptional precision for boundary surveys
The 5 arcsecond accuracy specification delivers consistent results across our municipal boundary projects. The -30/0mm prism constant integrates seamlessly with our Topcon total stations, eliminating calibration inconsistencies we experienced with third-party alternatives.
★★★★★
Sarah Chen
Civil Engineering Project Manager · Verified Purchase
Reliable performance in harsh conditions
After six months of heavy use on infrastructure projects, this prism maintains its optical integrity despite exposure to construction dust and temperature variations. The 100.0mm height offset provides excellent clearance for vegetation and terrain obstacles.
★★★★★
Robert Martinez
Senior Survey Technician · Verified Purchase
Perfect match for Topcon equipment
Native compatibility with our Topcon GPT-9000A eliminates the guesswork in prism constant settings. The circular design provides consistent signal return regardless of instrument orientation, improving our field productivity significantly.
★★★★☆
Jennifer Walsh
Geospatial Analyst · Verified Purchase
Solid investment for precision work
The build quality and optical performance justify the premium price point for critical surveying applications. While the initial cost is higher than generic alternatives, the measurement consistency and durability deliver superior long-term value.
★★★★★
David Kim
Construction Survey Supervisor · Verified Purchase
Essential for high-accuracy construction layout
The precision specifications meet our stringent requirements for steel erection and concrete placement surveys. The prism maintains its accuracy even after repeated impacts from construction activities, proving its durability in demanding field conditions.

What's in the Box

Everything you need to get started.

  • Topcon Standard Circular Prism Assembly
  • Protective Carrying Case
  • Technical Specifications Documentation
  • Calibration Certificate

Note: Prism pole and mounting hardware sold separately.

Frequently Asked Questions

General
What is the accuracy specification of this prism?
The Topcon Standard Circular Prism delivers 5 arcsecond accuracy, making it suitable for high-precision surveying applications and compliance with professional measurement standards in civil engineering and construction projects.
Is this prism compatible with all Topcon total stations?
Yes, this standard circular prism is designed for optimal compatibility with Topcon total stations. The -30/0mm prism constant ensures accurate distance measurements when used with Topcon instruments and their respective software systems.
What does the 100.0mm height offset specification mean?
The 100.0mm height offset refers to the vertical distance from the prism mounting point to the optical center of the prism. This standardized offset allows for consistent elevation measurements and must be properly configured in your total station for accurate vertical calculations.
How durable is this prism for field conditions?
This prism is engineered for demanding surveying environments with robust construction designed to withstand typical field conditions including vibration, temperature variations, and moderate impact. The precision-ground optical surfaces maintain their accuracy throughout extended use in professional applications.
What mounting options are available for this prism?
The prism features standard threading compatible with most surveying poles and tribrach systems. It can be mounted on fixed-height poles, telescopic poles, or precision tribrachs depending on your specific measurement requirements and workflow preferences.

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:

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  • 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