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High-accuracy optical components optimized for 2D/3D robotic guidance, alignment, and pick-and-place applications.
In the modern era of industrial automation, robots are no longer blind machines executing fixed, pre-programmed paths. Through the integration of advanced machine vision systems, robot-guided positioning has become the cornerstone of high-efficiency manufacturing. The industrial camera lens serves as the vital optical interface, translating physical spatial data into precise digital coordinates that the robot's control system can interpret.
Whether handling microscopic electronic components on a SMT line or positioning heavy sheet metal in automotive assembly, the accuracy of the robot is directly limited by the quality of the image captured. Standard lenses often suffer from radial distortion and perspective errors, which introduce mathematical deviations when mapping pixel coordinates to real-world coordinates. This is where specialized industrial lenses, particularly bilateral telecentric lenses, become indispensable. By eliminating perspective error (parallax) over a range of working distances, they ensure that the robot receives consistent, undistorted imaging data regardless of slight variations in component height.
SEO Insight: Telecentricity and low optical distortion are the two most critical parameters for reducing calibration errors in robot-world coordinate transformations.
The global market for vision-guided robotics (VGR) is experiencing exponential growth, driven by the relentless push toward Industry 4.0, rising labor costs, and the demand for sub-micron precision in high-tech manufacturing. As robotic systems evolve from simple 2D pick-and-place tasks to complex 3D bin-picking and multi-axis assembly, the requirements placed on industrial camera lenses have shifted dramatically.
Modern CMOS sensors are pushing past 100 megapixels, featuring larger formats like 32mm, 45mm, and even 67mm. To leverage these advanced sensors, lenses must offer exceptional resolving power (high line-pairs per millimeter) across the entire field of view. Lenses like the GY Series Line Scan Lens are engineered specifically to match these large-format sensors, preventing vignetting and maintaining edge-to-edge sharpness necessary for wide-area robotic inspection and positioning.
Traditional fixed-focus lenses struggle when robots must handle objects of varying heights or operate at fluctuating working distances. The industry is rapidly adopting liquid lens technology and dynamic focus mechanisms. These technologies allow the machine vision system to refocus within milliseconds without mechanical wear, keeping the cycle time of robotic arms to an absolute minimum.
When a camera and lens are mounted directly onto a robotic arm (eye-in-hand configuration), weight and physical size become critical constraints. Excessive weight limits the arm's payload capacity, acceleration, and overall cycle speed. Manufacturers are now utilizing lightweight aerospace alloys and compact optical paths to deliver high-performance lenses that do not compromise the robot’s dynamic performance.
In challenging industrial environments characterized by glare, dust, or smoke, visible light imaging often falls short. Short-wave infrared (SWIR) lenses are increasingly deployed in robotic guidance to see through silicon, inspect hidden defects, and achieve reliable positioning in harsh foundry or welding environments.
Industrial camera lenses are the unsung heroes across a multitude of automated sectors. Below, we analyze how specific lens technologies enable advanced robotic positioning in real-world industrial settings.
In automotive manufacturing, robots are tasked with mounting heavy components like engines, windshields, and doors with sub-millimeter clearances. Using high-resolution telecentric lenses, the vision system captures the exact position of mounting holes and dowels. Because telecentric lenses maintain constant magnification even if the distance to the car body varies slightly, the robot can compute the exact spatial offsets without calibration drift, preventing costly collisions and ensuring perfect alignment.
The electronics industry operates on a micrometer scale. During wafer dicing, wire bonding, and chip placement, robotic gantry systems rely on high-magnification bi-telecentric lenses. These lenses eliminate perspective errors entirely, allowing the vision software to locate alignment marks (fiducials) with extreme repeatability. Even under varying thermal conditions or when components are slightly tilted, the bi-telecentric design ensures the coordinates remain true.
For logistics and warehouse automation, robots must pick randomly oriented parts from deep bins. This requires structured light or time-of-flight 3D cameras equipped with low-distortion, wide-angle lenses. The lens must project and capture light patterns accurately across a wide volume. Minimizing optical distortion ensures that the 3D point cloud generation is mathematically accurate, allowing the robot to calculate the optimal grip angle and avoid bin walls.
Canrill Quality Management System confirms to the standard of ISO9001:2015 in the production of industrial telecentric lens and accessory.
Our Quality Dept consists of 13 experienced persons, more than 13% share of the total personnel in Canrill, showing the importance of quality in Canrill’s whole system.
Quality Dept has four branches: IQC (Income Quality Control), IPQC (Input Process Quality Control), QA (Quality Assurance), and OQC (Outgoing Quality Control). Each branch works independently to make sure the excellent performance of telecentric lens.
Appearance (no scratches, aberration, white dot or dust), lens cone gap less than 0.1mm, no loose parts, sticker on both lens & box, accessory, desiccant, certificate of qualification, coaxial light.
Model name/quantity validation and verification against purchase orders.
Appearance, specification tolerance, oxidation, and raw materials compliance checks.
Differentiate qualified from unqualified, model name & quantity verification, kept in secure and protective packaging.
BOM list verification, perfect appearance checks, assembly according to engineering drawings strictly, no missing screws, no missing glue.
Quantity, appearance, sticker, accessory, and box integrity checks prior to final shipment.
Clear images verification, ensuring no angle ambiguity, precise Working Distance (WD) calibration, Telecentricity measurement, and optical distortion scanning to guarantee flawless operation in robotic vision systems.
Browse our full range of high-performance telecentric and line scan lenses engineered for precision positioning and inspection.
