Innovative Fresnel optics and PIR sensor solutions
In a connected world where efficiency, miniaturization, and precise detection determine the success of high-tech applications, Carclo Fresnels has been setting the gold standard for decades. As the world's leading expert in the development and manufacture of Fresnel lenses and optical components, we offer customized solutions that go far beyond standard optics.
Whether highly sensitive PIR (passive infrared) lenses for building automation, complex optics for security technology, or specialized components for IoT sensors and lighting systems, Carclo combines decades of engineering expertise with state-of-the-art manufacturing processes. Our Fresnel lenses are characterized by maximum light transmission with minimum weight and compact design, enabling innovative designs that were previously unthinkable with conventional optics.
Why Carclo Fresnels is your strategic partner:
Technological excellence: Benefit from our experience in microstructuring and optical calculation for maximum detection ranges and precise beam guidance.
Application-oriented innovation: We understand the current requirements of smart homes, Industry 4.0, and sustainable lighting technology.
Scalability & quality: From initial prototype development to global series production, we guarantee maximum contour accuracy and material quality (e.g., specialized polymers and UV-resistant materials).
Discover our wide range of standard lenses or work with our experts to develop custom optics tailored precisely to your specific wavelengths and detection ranges. With Carclo Fresnels, you can make technology visible—and the future accessible.
Carclo Fresnel lenses are an innovative form of optical lens characterized by high light transmission and a compact design. They are used in a wide range of applications, including:
- Passive infrared motion detectors
- spotlights
- displays
- cameras
- lasers


Advanced Manufacturing
Carclo high-tech fresnel lens manufacturing facility.

Standard PIR Lenses
A large range of standard high performance lenses.

Customized solutions
We design specific lenses to your requirements.
Whatever your detection needs we have the right lens
The advantages of Carclo Fresnel lenses
Carclo Fresnel lenses offer a number of advantages over conventional lenses, including:
- Compact design: Fresnel lenses are significantly thinner and lighter than conventional lenses, making them ideal for applications where space is limited.
- High light transmittance: Fresnel lenses have high light transmittance, providing better image quality and higher efficiency.
- Lower cost: Fresnel lenses are generally less expensive than conventional lenses.




Outdoor & Commercial Motion Detectors
Carclo's PIR sensor lenses represent a significant investment in the performance and reliability of outdoor and commercial motion detectors. By employing Carclo's innovative lens technology, businesses, property owners, and individuals can safeguard their assets, maintain a safe and secure environment, and optimize the effectiveness of their security systems.
Carclo's PIR sensor lenses are widely used in a variety of outdoor and commercial applications, including:
- Intrusion Alarm Systems: PIR sensors with Carclo lenses provide reliable protection for homes, businesses, and public spaces against unauthorized entry.
- Security Lighting Systems: PIR sensors with Carclo lenses automatically trigger lighting systems, illuminating dark areas and enhancing visibility for security purposes.
- Asset Protection: PIR sensors with Carclo lenses safeguard valuable assets in warehouses, retail establishments, and industrial settings.
- Environmental Monitoring: PIR sensors with Carclo lenses detect movements in sensitive areas, such as wildlife habitats and environmental monitoring stations.




Carclo Sensor Trends: New Fresnel Lenses in Focus








