ADAS lens

Understanding Working Distance in M12 Lenses When choosing an M12 lens for applications such as automotive cameras, security systems, or smart devices, working distance is a key parameter that directly affects image quality. Working distance refers to the physical space between the front surface of the lens and the object that appears in sharp focus. This distance is not fixed across all M12 lenses, as it depends on focal length, lens structure, and system requirements. Typical Working Distance Range for M12 Lenses Most M12 lenses are designed for compact imaging systems and have a relatively short working distance compared to larger-format lenses. For example, wide-angle M12 lenses with focal lengths like 2.8mm or 3.6mm typically have a working distance starting from just 10–30 cm, ideal for close-up monitoring. In contrast, telephoto M12 lenses with focal lengths of 8mm, 12mm, or 16mm are suited for observing subjects several meters away, providing a narrower field of view with extended working distances. Why Working Distance Matters for Procurement From a procurement standpoint, understanding the working distance of M12 lenses ensures compatibility with specific devices or projects. Purchasing a lens without confirming its working distance could lead to focus mismatch or mechanical integration issues. Procurement professionals should carefully check not only focal length and field of view but also related parameters like back focal length (BFL) and effective focal length (EFL), both of which relate closely to working distance and system design. Considerations for Optical Engineers For optical engineers, working distance affects both image sharpness and system calibration. In applications like ADAS (Advanced Driver Assistance Systems), smart home products, or industrial monitoring, precise control over working distance allows for accurate focusing and consistent optical performance. Engineers often select adjustable-focus M12 lenses to fine-tune the distance based on installation environments or object detection needs. Balancing Field of View and Working Distance There is always a trade-off between working distance and field of view when choosing an M12 lens. A shorter working distance usually means a wider viewing angle, while a longer working distance provides a narrower, more focused view. Understanding this balance is important both for product developers and end users, ensuring optimal imaging results. Tailored M12 Lens Solutions from Wintop Optics At Wintop Optics, we specialize in providing customized M12 lens solutions for various applications. Whether you require short or long working distances, our product range covers focal lengths from 1.0mm to 6.12mm, all with precise working distance specifications. Contact our team for expert guidance and find the right M12 lens for your project needs.