Product Announcements:
Optical Lens Assemblies

Avantier designs and manufactures custom Ritchey-Chrétien telescopes in aluminum and silicon carbide, offering lightweight, athermal systems with hyperbolic mirrors that eliminate coma and chromatic aberration. Ideal for astronomical research, aerospace imaging, and mission-critical platforms requiring a wide, flat field of view and exceptional image quality. Read more...

Avantier specializes in custom fixed focal length lenses engineered for reliable, high-quality imaging at a predetermined focal length. These prime lenses hold a constant focal length and single field of view, with no fixed maximum working distance, supporting close-range and long-distance imaging across robotics, machine vision, and a range of industrial, scientific, and imaging applica... Read more...

Avantier designs passive athermal LWIR lenses for the 8–12 µm band, maintaining focus stability from -40°C to +80°C without active refocusing. Built for defense, surveillance, UAV payloads, and rugged industrial monitoring where reliability and power constraints rule out active compensation. Read more...

Avantier designs custom and stock F-theta lenses for laser scanning, engraving, and cutting systems. Each 3–4 element assembly delivers a flat focal plane, constant spot size across the scan field, and >90% transmittance — rigorously tested to meet exacting industry standards. Read more...

Avantier specializes in manufacturing high-quality germanium MWIR lenses for thermal imaging, security, and industrial sensing applications, utilizing germanium's high refractive index and low absorption across the 3–5 µm band to achieve consistent optical performance, with each lens undergoing rigorous quality control. Read more...

Avantier delivers precision IR lenses for advanced applications in manufacturing, defense, research, and medicine. We provide custom-engineered solutions that can support individual prototypes to large-scale production. Choose from SWIR, LWIR, MWIR, and NIR lenses for your specific application. Read more...

Avantier designs and manufactures custom SWIR lenses for imaging systems operating in the short wave IR region. Available in fixed-focus and zoom configurations, these optical assemblies are engineered for high transmission and spatial resolution, supporting machine vision, inspection, surveillance, and scientific applications with performance tailored to specific system requirements. Read more...

Avantier designs and manufactures custom beam expanders for laser and imaging applications, including Galilean and Keplerian configurations. These optical systems are engineered to increase beam diameter while maintaining collimation and transmission efficiency, supporting applications in laser processing, sensing, metrology, and scientific instrumentation... Read more...