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Precision optical solutions designed for laser measurement systems used in automotive component inspection, dimensional gauging, and surface analysis.
Telecentric Lens for Accurate Measurement - MT Series 1.1 Inch | China Suppliers & Factory
11mm Bi-Telecentric Lens for 2/3 Sensors - High Precision Measurement from China Suppliers & Factory
38mm Sensor Telecentric Lens for Automotive Dimensional Inspection
32mm Telecentric Lens for 4K/2K Sensors - Low Distortion, Adjustable Iris Options
Understanding the industrial landscape and why precision optics are mission-critical in modern automotive quality control.
The global automotive manufacturing sector is undergoing a profound transformation. With vehicle architectures growing increasingly complex — driven by electrification, lightweighting, and advanced driver-assistance systems (ADAS) — the tolerance requirements for individual components have become dramatically tighter. A single misaligned sensor bracket or an out-of-spec brake caliper bore can cascade into safety-critical failures downstream.
Laser-based machine vision systems, paired with high-performance telecentric lenses, have emerged as the gold standard for non-contact dimensional gauging on production lines. The global machine vision market is projected to surpass USD 26 billion by 2030, with the automotive segment accounting for over 35% of total demand. Within this ecosystem, the laser machine lens — particularly the telecentric variety — is the optical cornerstone that determines measurement accuracy, repeatability, and throughput.
Traditional contact-based measurement tools such as CMMs (Coordinate Measuring Machines) remain valuable for offline inspection but are fundamentally incompatible with the speed demands of modern automotive assembly, where cycle times can be as short as 30 seconds per unit. Inline laser gauging systems equipped with telecentric lenses solve this challenge by delivering sub-micron accuracy at production speed.
Conventional lenses exhibit perspective distortion — objects appear larger when closer to the lens and smaller when farther away. In dimensional gauging, this means that even a slight variation in the working distance introduces measurement error. Telecentric lenses eliminate this effect entirely by accepting only parallel light rays along the optical axis, ensuring that the magnification remains constant regardless of the object's position within the depth of field.
For automotive parts gauging, this property is non-negotiable. Consider the inspection of a camshaft lobe profile, a fuel injector nozzle tip, or an EV battery terminal. Each of these components requires measurement accuracy in the range of ±2–10 µm, with the part potentially vibrating slightly on the conveyor or fixture. A telecentric lens maintains measurement integrity even under these real-world conditions.
Furthermore, bi-telecentric designs — where both the object-side and image-side principal rays are parallel to the optical axis — provide an additional layer of protection against image-side distortions introduced by sensor tilt or camera positioning tolerances. This makes them the preferred choice for the most demanding automotive gauging applications.
From powertrain components to EV battery systems, telecentric lenses power precision measurement across the entire automotive value chain.
Electric vehicle battery packs require precise measurement of cell tab positioning, electrode gap uniformity, and terminal height. Telecentric lenses integrated with laser triangulation systems achieve the sub-10µm accuracy required to ensure safe electrical connections and thermal management across thousands of cells per pack.
Crankshafts, camshafts, connecting rods, and cylinder bores demand tight dimensional tolerances for optimal engine performance and longevity. Laser gauging systems with bi-telecentric lenses perform 360° profile measurement at production speed, replacing slower CMM-based offline inspection with real-time inline feedback.
Brake caliper bores, rotor thickness variation, and wheel hub runout are safety-critical parameters. Machine vision systems equipped with high-resolution telecentric lenses detect deviations as small as 3µm, enabling 100% inspection of every part — a standard that manual sampling inspection simply cannot match.
The proliferation of radar, LiDAR, and camera systems in modern vehicles creates new inspection challenges. The mounting brackets and housings for these sensors must be manufactured to tight angular and positional tolerances to ensure correct field-of-view calibration. Telecentric lens systems provide the geometric accuracy needed for these complex 3D measurements.
Modern direct-injection fuel systems operate at pressures exceeding 350 bar. The nozzle orifice geometry — typically 100–200µm in diameter — must be inspected with extreme precision to guarantee correct spray patterns and fuel atomization. Telecentric lenses with short working distances and high magnification deliver the resolution required for this application.
Automotive wiring harnesses contain hundreds of electrical connectors. Pin height, pitch, and coplanarity must be verified to prevent intermittent electrical contacts. Line-scan telecentric lenses enable high-speed inspection of entire connector rows in a single pass, supporting the zero-defect quality targets demanded by Tier-1 automotive suppliers.
In automotive production, a single defective part escaping to the field can result in costly recalls, warranty claims, and reputational damage worth tens of millions of dollars. Investing in the highest-quality telecentric lenses for your laser gauging systems is not merely a technical decision — it is a strategic business imperative. Canrill Optics delivers the optical precision that enables automotive manufacturers to achieve 100% inline inspection with the throughput and accuracy that modern production demands.
The intersection of automotive engineering and optical technology is evolving rapidly. Here are the key trends shaping the next generation of laser machine lenses.
Deep learning algorithms are being deployed alongside high-resolution telecentric lens systems to classify defects, predict measurement drift, and adapt inspection parameters dynamically. The optical quality of the lens becomes even more critical as AI models are only as good as the image data they receive — garbage in, garbage out applies with full force in machine vision.
As industrial cameras migrate to 4K and 8K resolutions, telecentric lenses must evolve to resolve finer pixel pitches without introducing aberrations. Canrill's latest lens designs address this challenge with ultra-low distortion (<0.1%) and high MTF performance across the full sensor diagonal, ensuring that every pixel contributes meaningful measurement data.
The rise of collaborative robots (cobots) in automotive assembly is driving demand for compact, lightweight telecentric lens systems that can be mounted on robot end-effectors for flexible inspection tasks. Miniaturized bi-telecentric designs with C-mount interfaces are enabling a new generation of agile, reconfigurable gauging cells.
Beyond conventional visible-light imaging, telecentric lenses are increasingly being used with structured light projection, near-infrared illumination, and hyperspectral imaging for surface defect detection and material characterization on automotive parts. This expands the application scope far beyond traditional dimensional gauging.
Measurement data from inline telecentric lens systems is increasingly feeding digital twin models of the production process. Real-time dimensional data enables closed-loop control of machining parameters, reducing scrap rates and enabling predictive maintenance — a key pillar of Industry 4.0 automotive manufacturing.
Global supply chain disruptions have accelerated the trend toward regional sourcing of optical components. Canrill Optics, with its vertically integrated manufacturing — encompassing both mechanical and optical production — is uniquely positioned to deliver custom telecentric lens solutions with shorter lead times and greater flexibility than competitors who rely on outsourced component supply chains.
About Canrill Optics
Our objective is to produce a top-level lens and become one of the leaders in telecentric technology.
Canrill Optics, established in 2009, is the first company in China to focus exclusively on the manufacturing and marketing of telecentric lenses and telecentric lens design. We are the only manufacturer in the world to have built a complete, vertically integrated supply chain with our own mechanical factory and optical factory dedicated to industrial lenses.
Over the years, as a trusted custom lens manufacturer, Canrill lenses have been upgraded through four generations of advanced technology and performance. We have earned the trust of worldwide clients and have successfully partnered with globally recognized brands including Samsung, Apple, LG, Huawei, Han's Laser, and TSMC.
From manufacturing to creation, we are on the way.
The expertise behind every precision telecentric lens — engineers and leaders dedicated to advancing optical measurement technology.
Since founding Canrill in 2009, Simon has been focused on building the world's leading manufacturer of telecentric lenses. Under Simon's leadership, Canrill has grown into a 100+ person company renowned in both China and overseas for delivering precision optics to the automotive, semiconductor, and electronics industries.
Senior optical designer with 10+ years' experience in the design and inspection of telecentric lenses and illumination systems. Ming-Yong leads the R&D team responsible for developing next-generation lens solutions optimized for automotive parts gauging and high-resolution machine vision applications.
With 15+ years' experience in mechanical design, Mr. Zhang oversees the precision engineering of lens barrels, mounts, and mechanical assemblies. His expertise ensures that every Canrill telecentric lens meets the stringent dimensional and thermal stability requirements of industrial laser gauging environments.
Our commitment to quality is backed by internationally recognized certifications, ensuring every lens meets the highest standards for automotive and industrial applications.
Canrill ISO 9001
Lens Cone RoHS Certificate 1
Lens Cone RoHS Certificate 2
Lens Cone RoHS Certificate 3
Lens Cone RoHS Certificate
Explore our full portfolio of precision telecentric and line-scan lenses — engineered for the most demanding laser measurement applications in automotive manufacturing.
Telecentric Lens for Accurate Measurement - MT Series 1.1 Inch | China Suppliers & Factory
11mm Bi-Telecentric Lens for 2/3 Sensors - High Precision Measurement from China Suppliers & Factory
38mm Sensor Telecentric Lens for Automotive Dimensional Inspection
32mm Telecentric Lens for 4K/2K Sensors - China Factory Suppliers, Low Distortion, Adjustable Iris Options
23mm Sensor Telecentric Lens for High Accuracy Inspection | China Suppliers & Factory | C Mount Options Available
ZFL Series Line Scan Lens for 82mm Sensor - Automotive Surface & Profile Gauging
44mm Bi-Telecentric Lens for High Precision Measurement - China Suppliers & Factory for Imaging Solutions
28mm Telecentric Lens for Line and Area Scanning - High Resolution, Low Distortion | China Suppliers and Factory