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Precision Optics for Defense Systems

Supporting advanced defense imaging systems requires a partner with proven optical expertise. For DRI, threat detection, fire control systems, and military imaging applications, LaCroix delivers the precision optics and manufacturing excellence needed to enable reliable mission success.

U.S.-Made Optics for Mission-Critical Defense Systems

LaCroix manufactures U.S.-made custom optics for defense applications, helping contractors reduce supply chain risk without sacrificing quality, accuracy, or performance. 

When mission success depends on optical performance, reliability, and precision, there is no room for compromise. That's why we are committed to delivering precision optics built to perform in the world's most demanding operating environments.

 

 

Defense System Applications

Our precision optics support a wide range of military, surveillance, targeting, and situational awareness systems.

  • DRI Systems
  • Threat Detection Systems
  • Laser Target Designators
  • Weapon & Sighting Systems
  • Surveillance & Reconnaissance Platforms
  • Fire Control Systems

Precision Optical Capabilities for Defense Systems

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Mission-Ready Optics Manufactured for Harsh Operating Environments 

Trusted for nearly 80 years, LaCroix's U.S.-manufactured and ITAR-compliant custom precision optics, advanced coatings, and optical assemblies for defense and aerospace programs ensure repeatable performance and secure domestic supply.

Whether developing a new design or scaling an existing program, we provide the manufacturing expertise and process discipline needed to transition from prototype to production.

Explore Custom Optics for Mission Success
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High Precision Lens Assemblies

Built for demanding defense applications, our precision optical assemblies support defense systems where accuracy is essential.
  • Optical and opto-mechanical design tailored to mission-specific requirements
  • Precision alignment and assembly for dependable system performance
  • Comprehensive testing and verification to ensure consistent results in the field

LaCroix delivers integrated optical assemblies that help defense systems achieve repeatable performance, reduced risk, and long-term reliability.

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Optical Coatings for Defense Optics

Our in-house optical coating capabilities are designed to optimize performance across UV, visible, and SWIR wavelengths, supporting the demanding requirements of defense imaging, sensing, and targeting systems.

  • Anti‑reflective (AR) coatings to maximize contrast and throughput
  • High‑reflectivity coatings and beam splitters for illumination
  • Custom coating designs matched to camera and sensor requirements 

By tailoring coatings to the full optical system, we improve image quality, consistency, and efficiency in defense environments.

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Inspection Metrology & Quality Assurance

Quality is built into every optical component we manufacture through continuous inspection metrology, including interferometry, dimensional measurement, and optical verification. We align with industry-specific qualifications, supporting the quality and documentation expectations of defense programs.

  • ISO 9001:2015 certified
  • ITAR compliant
  • U.S.-manufactured

Our quality management system supports reliable, repeatable performance for  defense applications.

A partner you can trust

Accelerate Your Mission with Optics Designed for Reliability and Performance

Connect with our engineers to discuss your defense and surveillance systems optics needs, and get a clear vision for how we can help you enhance quality control. 

Discuss your mission's requirements.

  • Vertically integrated design–build–test capabilities

  • Scalable manufacturing from prototypes to production

  • Precision optics and assemblies manufactured in the USA

  • Relationship‑driven engineering support