The TTL series of parallel optical tubes is a compact optical test equipment developed for the testing of vehicle cameras modules. The equipment contains a graphic card lighting and distance control device that simulates the different distance of the card, and provides a high accuracy test with a remote heart-to-heart lens to achieve a high accuracy test, applicable to the mass assessment and focal range adjustment of the vehicle camera image, and is widely used in the production line AA, terminal checker and laboratory test equipment. The Yanding Telecentric TCL series is a high-precision optical test device that produces high-altitude parallel beams, achieves a virtual distance simulation from close to unlimited range of optical targets, provides a precise, reliable image-quality assessment solution for the camera emulation team and optical systems. The series of straight machines uses remote-centrical designs, simulates different range imaging scenes, extensive application of laboratory research, automated production testing and photometric testing in the production of cameras. The products provide multiple visual corner (FOV) configurations and flexible virtual distance simulation ranges that meet the testing needs of different types of camera systems. The Yanding Telecentric TCL series is designed for autocades, ADAS Advanced Driving Aids, Autopilot Visualization Systems, Machine Visualization, Mobile Equipment and Industrial Image Applications, with high optical accuracy, compact structure and automated integration capabilities, and is the ideal solution for camera development, ISP algorithm development, Active Airmarking, AA, Image Quality Validation, and Production Line Final (EOL) testing.
| Parameter | Value |
| Field of View (FOV) | 15 ° |
| Automation function | Internal Tucc and Photocontroller |
| Virtual Distance [Hyperfocal Mode] | 0.5 m-∞/ hyperfocal length |
| Test Tuc [Pie (optional)] | Slanted Edge, Double Slanted Edge, Circle, Pie (optional) |
| Color Temperature | 5100 K / 6500 K |
| Near Infrared Light (NIR) | 850 nm / 940 nm |
| range of light [±10%] | 100–3000 lux(±10%) |
| Light evenness | ≤97 % |
| Dimensions | 381.3 mm × 85 mm × 70 mm |
| Weight | About 2.2 kg |
Compact structure: the small modular design integrates into production or laboratory environments, saves space and is easy to install. Automatic chart drive and light-source control reduce manual intervention and improve test efficiency and consistency. Distance simulation covers selectable ranges from near field to optical infinity, simulating distant scenes for MTF testing and focal-length verification across camera applications. A high-performance telecentric optical system provides stable, high-quality collimated light for accurate, repeatable camera optical-performance and resolution tests. Supported charts include slanted-edge SFR, double-slanted-edge SFR, circle SFR, nested-square and black-and-white checkerboard patterns, with a pie chart available optionally. The controlled light source uses a standard color temperature of 6500K and illuminance of 100~3000lux with accuracy ±10%. Integrated automation includes motorized chart switching, a chart-motion controller, LED light-source control and software remote control for automated test-system integration. Programmable lighting supports adjustable visible light at 5100 K / 6500 K and near-infrared light at 850 nm / 940 nm for RGB and IR cameras. The compact modular construction suits research laboratories and automated production lines.
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Yanding, as a nationally recognized high-tech enterprise, has always been driven by technological innovation and deeply engaged in the fields of testing equipment and image quality.
The company is headquartered in Zhangjiang Qingpu Park, with its core office base located in Shanghai Zhangjiang Science City, an innovation highland. It has also established R&D and operation centers in Shenzhen, Beijing, and South Korea, building a global technology R&D and service network to efficiently respond to domestic and international customer needs.
For many years, Yanding has focused on technological breakthroughs in the field of image quality. Its main business covers the full-chain R&D, design, manufacturing, and sales of high-precision instruments, high-end mass production equipment, image analysis algorithms, and industrial software. Relying on more than ten years of deep accumulation in core technology fields such as ultra-complex hardware boards and platform-level industrial software, the company has formed full-stack self-research and delivery capabilities from high-precision optical instruments, image quality analysis and calibration algorithms, to motion control software, optical lenses, image acquisition boards, image test charts, and mass production testing equipment, providing customers with end-to-end solutions.
The founding team and core members bring together senior technical management talents from well-known domestic and overseas enterprises, with an average of over 20 years of frontline R&D and operation management experience, and a deep understanding of international cutting-edge technology paths and industry trends. The company has assembled an R&D team composed of talents from famous domestic and overseas universities, highly skilled and continuously pursuing innovation. As of the end of 2024, the company has more than 170 employees, with R&D and technical personnel accounting for over 60%, injecting strong momentum into continuous technological breakthroughs and global market expansion.