Top 3 Reflective Target Prism Manufacturers for High Precision Surveying

Prism

Reflective Target

13 Models

Material3M Reflective

Material3M Reflective

MountingMagnetic

RT101S

RT Series

TypeReflective Target

TypeReflective Target

TypeReflective Target

Size30×30mm

Material3M + Nylon

SideDual Side Enhanced

RT102

RT Series

TypeReflective Target

SizeOD50mm

Material3M + Nylon

Thread5/8"-11 / 3/8"-19

RT103

RT Series

TypeReflective Target

SizeOD60mm

Material3M + Nylon

AdapterSwiss / 5/8"-11

RT104

RT Series

TypeReflective Target

Size60×60mm

Material3M + Aluminum

Thread5/8"-11

RT105

RT Series

TypeReflective Target

SizeOD60mm

Material3M + Nylon

MountingQuick Release

Material3M Reflective

FeatureSwitchable Magnetic

Material3M Reflective

Material3M Reflective

Feature360° Rotary

RT111

RT Series

TypeReflective Target

SizeCompact 20mm

Material3M Reflective

MountingMagnetic

RT110

RT Series

TypeReflective Target

Size60mm

Material3M Reflective

FeatureWith Pole

Prism

Corner Cube Prism

18 Models

Thread2″ / 3-4″ / 5-8″

Thread2″ / 3-4″ / 5-8″

Thread2″ / 3-4″ / 5-8″

FeaturePlastic Holder

FeaturePlastic Holder

FeaturePlastic Housing

FeatureHigh Precision

Standard Prism Series

Standard Prism Series

Standard Prism Series

Standard Prism Series

Prism

Monitoring Prism

8 Models

Weather-resistant Mini Prism

Monitoring Prism Series

CoatingCopper/Silver

Diameter25.4mm

High-Precision Mini Prism

Monitoring Prism Series

CoatingCopper/Silver

Diameter25.4mm/38.1mm

High-Precision Monitoring Prism

Monitoring Prism Series

CoatingCopper/Silver

Diameter25.4mm/38.1mm

Adjustable Prism Stand

Monitoring Prism Series

CoatingSilver

Diameter25.4mm/38.1mm

High-Strength Nylon Mini Prism

Monitoring Prism Series

CoatingCopper

Compact Angled Mini Prism

Monitoring Prism Series

CoatingCopper

Diameter25.4mm

Low-Profile Road Monitoring Prism

Monitoring Prism Series

CoatingCopper

Rod Monitoring Prism

Monitoring Prism Series

CoatingSilver

Single/Dual Retro Reflective Mini Prism Angle Target

Monitoring Prism Series

CoatingSilver

MP061AM

Monitoring Prism Series

CoatingCopper

Diameter25.4mm

MP061AS

Monitoring Prism Series

CoatingCopper

Diameter25.4mm

MP061BM

Monitoring Prism Series

CoatingCopper

Diameter25.4mm

MP061BS

Monitoring Prism Series

CoatingCopper

Diameter25.4mm

MP062

Monitoring Prism Series

CoatingCopper

Diameter25.4mm/span>

Right-Angle Prism

Monitoring Prism Series

OptionSingle/Double

GMP101

Monitoring Prism Series

CoatingCopper

Diameter25.4mm

U-Bar/L-Bar Monitoring Mini Prism

Monitoring Prism Series

CoatingCopper

Diameter12.7/25.4mm

U-Bar Monitoring Mini Prism

Monitoring Prism Series

CoatingSilver

Diameter25.4mm

Prism

L-Bar Prism

10 Models

Standard Quality Die-Cast Aluminum Body

Mini Prism Series

TypeMini Prism

Body MaterialDie-Cast Aluminum

QualityStandard

FeatureDurable Construction

High-Quality Machined Anodized Aluminum Body

Mini Prism Series

TypeMini Prism

Body MaterialMachined Anodized Aluminum

QualityHigh-Quality

FeaturePrecision Machined

High-Quality Anodized Aluminum Body With Waterproof Ring

Mini Prism Series

TypeMini Prism

Body MaterialAnodized Aluminum

ProtectionWaterproof Ring

QualityHigh-Quality

High-Quality Anodized Aluminum Body Water Resistance

Mini Prism Series

TypeMini Prism

Body MaterialAnodized Aluminum

ProtectionWater Resistant

QualityHigh-Quality

High-Quality Micro Prism For Indoor Monitoring

Micro Prism Series

TypeMicro Prism

ApplicationIndoor Monitoring

QualityHigh-Quality

FeatureCompact Size

High-Quality Anodized Aluminum Body - Dual-Sided Design

Mini Prism Series

TypeMini Prism

Body MaterialAnodized Aluminum

DesignDual-Sided

QualityHigh-Quality

High-Quality American-Style Design

38.1MM High-Precision Mini Prism

Mini Prism Series

TypeMini Prism

Diameter38.1mm

PrecisionHigh-Precision

QualityHigh-Quality

Swiss-Style Monitoring Prism Set Gpr112S

Monitoring Prism Series

TypeMonitoring Prism Set

StyleSwiss-Style

ModelGPR112S

FeatureComplete Set

American-Style 62MM Long-Range Monitoring Prism

Monitoring Prism Series

American-Style 62MM Long-Range Monitoring Prism

Monitoring Prism Series

Prism

Mini Prism with Pole

12 Models

Sliding Mini Prism With Pole

Sliding Prism Series

TypeSliding Mini Prism

FeatureWith Pole

MaterialAluminum + Prism

MountingSliding Mechanism

SP063 Mini Prism With Pole

MountingStandard Thread

High Mini Prism With Pole

MaterialAluminum Alloy

SP065 Sliding Prism with Pole

SP066 Mini Prism with Pole

MountingFixed + Sliding

SP067 Sliding Prism with Pole

SP068 Sliding Prism With Pole

MountingSliding Mechanism

SP069 Mini Prism with Pole

GMP111 Mini Prism With Pole

StyleSwiss Compatible

MG000SPT Top Sliding Prism with Pole

Sliding Prism Series

TypeTop Sliding Prism

ModelMG000SPT

FeatureWith Pole

PositionTop Mounted

M1500 Top Sliding Prism with Pole

Sliding Prism Series

TypeTop Sliding Prism

ModelM1500

FeatureWith Pole

MountingTop Position

MG1500SL Top Mini Prism with Pole

Prism

360° Prism

14 Models

Swiss-style 360° Prism

360° Prism Series

Type360° Prism

StyleSwiss-Style

FeatureFull 360° Coverage

MaterialHigh-Quality Metal

Swiss-Style 360° Prism

360° Prism Series

Type360° Prism

StyleSwiss-Style

FeatureFull 360° Coverage

MaterialHigh-Quality Metal

High-Quality Metal Design With Axis

360° Prism Series

Type360° Prism

DesignMetal with Axis

FeatureHigh-Quality

Mounting360° Rotation

GRZ101 Medium Quality Metal Design

GRZ101S Medium Quality Metal Design

GRZ101SA High-Quality with Inner Bracket

Japanese-Style 360° Prism

360° Prism Series

Type360° Prism

StyleJapanese-Style

FeatureFull 360° Coverage

MaterialMetal Housing

ATP3 360° Prism Metal Design

FeatureHigh Durability

A7 360° Prism Metal Design

Z-220P Zero 220P 360° Prism with pole

ST360 360° Prism with Pole

MaterialMetal Housing

ATP2S 360° Prism with Pole

American-Style 360° Prism

360° Prism Series

Type360° Prism

StyleAmerican-Style

FeatureFull 360° Coverage

MaterialMetal

American-Style 360° Prism

360° Prism Series

Type360° Prism

StyleAmerican-Style

FeatureFull 360° Coverage

MaterialMetal

Prism

Prism Assembly

39 Models

FeatureStandard Model

MaterialAluminum Housing

FeatureHigh Precision

FeatureHigh Precision

FeatureHigh Precision

FeatureHigh Precision

FeatureCompact Design

FeatureUniversal Model

FeatureUniversal Base

FeatureUniversal Base

FeatureUniversal Base

FeatureUniversal Design

FeatureUniversal Design

FeatureStandard Model

FeatureStandard Model

FeatureUniversal Model

FeatureStandard Model

FeatureUniversal Base

FeatureUniversal Base

FeatureUniversal Compact

FeatureUniversal Compact

FeatureTop Base Model

FeaturePole Top Model

FeatureUniversal Extended

FeatureUniversal Extended

FeatureHigh Reflection

FeatureHigh Reflection

FeatureHigh Reflection

FeatureHigh Reflection

FeatureUniversal Swiss

MaterialMetal Housing

FeatureHigh Precision

MaterialMetal Housing

FeatureWith Pole Adapter

Overview

Superior Reflective Accuracy

Engineered with high-quality optical glass for consistent performance across long ranges, ensuring reliable distance and angle measurements even at hundreds of meters.

Rugged & Weather-Resistant Design

Maintains accuracy in rain, dust, and extreme temperatures, making it ideal for demanding construction, mining, and land surveying environments.

Versatile Mounting & Compatibility

Compatible with standard prism poles, tribrachs, and various total stations.

360-Degree Tracking Capability

(For 360° models) Enables omnidirectional signal reflection, allowing continuous tracking without constant re-aiming.

Compact & Lightweight Options

Available in mini prism configurations for tight spaces and detailed interior work, while maintaining excellent range and accuracy.

Have a question?

FAQ

If you have an issue or question that requires immediate assistance, you can click the button below.

ASK A QUESTION

What happens if the wrong prism constant is set? How do I correct the data?

Using an incorrect prism constant introduces a systematic offset into every distance measurement recorded during the survey. The total station applies the constant as an additive correction to the raw EDM reading, so any error propagates uniformly across all observations. For example, if a −30 mm prism is used but the controller is set to −17.5 mm, every recorded distance will be 12.5 mm too long. To correct the data, calculate Δ = PCactual − PCset and apply the correction to all measured distances. The recommended approach is to update the prism constant in your office software and recompute the project so all coordinates are recalculated automatically.

Are standard circular prisms really more accurate than 360° prisms?

Yes. Standard circular prisms generally provide higher centering accuracy because they use a single precision corner-cube prism. Most 360° prisms consist of multiple prism elements whose alignment tolerances accumulate, resulting in a wider pointing error envelope. However, for robotic topographic surveys, the productivity benefits of omnidirectional tracking usually outweigh the small accuracy difference. Standard prisms remain the preferred choice for control surveys, precision deformation monitoring, and industrial alignment applications.

Can I use prisms from different brands with my total station?

Yes. Cross-brand prism use is technically feasible and widely practiced throughout the surveying industry. The critical requirement is entering the correct prism constant for the specific prism being used. Most measurement errors when mixing brands arise from incorrect prism constant settings rather than optical incompatibility. Particular attention should be paid to Leica's Swiss constant convention, where nominal constants may differ from absolute constants. Always verify the absolute prism constant before configuring a non-Leica instrument.

Why can't my robotic total station lock onto the monitoring prism? How do I troubleshoot it?

Persistent ATR lock failures are typically caused by uncalibrated ATR collimation, contaminated optics, environmental reflections, incorrect tracking mode settings, or a prism that is too small for the observation distance. Begin troubleshooting by cleaning both the instrument lens and prism, manually aiming at the prism center, and attempting a manual lock. If manual lock succeeds, perform the instrument's ATR calibration procedure and retest automatic tracking. For long-range monitoring applications, consider using a larger prism to improve target acquisition reliability.

Why do reflectorless mode and mini-prism readings differ by 5 mm at close range with a steep vertical angle?

This difference is commonly caused by the combination of steep vertical angles and very short measurement distances. In reflectorless mode, the laser beam strikes the target surface obliquely, causing the reflected signal centroid to shift relative to the crosshair aim point. At the same time, a mini-prism that is not perfectly aligned with the instrument can introduce additional cosine-related ranging errors. For critical elevation measurements, minimize vertical angles whenever possible and ensure the prism is accurately leveled and properly oriented toward the instrument.

Contact US

Stay updated with our newest surveying prisms, tripods, and factory-direct wholesale deals.

About Mountlaser

Mount Laser is a leading integrated Auto Level manufacturer specializing in surveying instruments and accessories, as well as laser levels and related solutions. Headquartered in Changzhou, Jiangsu Province, the company operates a 7,500 m² modern manufacturing facility and employs a dedicated team of over 150 skilled professionals. As a comprehensive solution provider, Mount Laser's product portfolio spans 13 core categories: Auto Levels, Calibration & Testing Instruments, Prisms, Surveying Accessories, Scanner Targets, GNSS, Surveying Poles, Leveling Staffs, Tripods & Bipods, Line Lasers, Rotary Lasers, Laser Level Accessories, and Agent Sales services. Committed to quality and innovation, Mount Laser serves as a trusted partner to surveying and construction professionals worldwide.

LEARN MORE