Our calibration targets are designed specifically for seamless integration with OpenCV and other industry-standard calibration software. The high-contrast patterns are optimized for corner detection algorithms, ensuring fast and accurate calibration results with minimal processing time.
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Standard Model NO.
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Substrate Material
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Coating Type
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Overall Size
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Pattern
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Feature Accuracy
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LTO-030-2.0-G
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Soda Lime Glass
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Brown Chrome
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30x30mm
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Checker Width: 2mm; Matrix: 12x13
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±1μm
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LTO-045-3.0-G
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Soda Lime Glass
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Brown Chrome
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45x45mm
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Checker Width: 3mm; Matrix: 12x13
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±1μm
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LTO-060-4.0-G
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Soda Lime Glass
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Brown Chrome
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60x60mm
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Checker Width: 4mm; Matrix: 12x13
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±1μm
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LTO-76-5.0-G
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Soda Lime Glass
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Brown Chrome
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76x70mm
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Checker Width: 5mm; Matrix: 12x13
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±1μm
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LTO-88-6.0-G
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Soda Lime Glass
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Brown Chrome
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88x88mm
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Checker Width: 6mm; Matrix: 12x13
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±1μm
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LTO-111-8.0-G
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Soda Lime Glass
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Brown Chrome
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111x106mm
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Checker Width: 8mm; Matrix: 12x13
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±1μm
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Our checkerboard calibration targets deliver exceptional accuracy for demanding machine vision applications. Each target features precisely manufactured checkerboard patterns with sharp edge definition and perfect square geometry, ensuring your camera calibration results are reliable and repeatable every time.
| Product Specification | ||||||||
| Pattern | Substrate Material | |||||||
| Production Process | Laser Writing | Substrate Material of Glass |
Soda Lime Glass (Float Glass) | |||||
| Minimum Line/space | 1μm/0.7μm | Transmission (@550nm) |
>90% | |||||
| Feature Accuracy Overall Accuracy |
±1μm | Thermal Expansion Coeff (20-200 ℃) |
<80X10⁻⁷/K | |||||
| Coating Type | Bright Chrome (High Reflective) |
Brown Chrome (Usual) |
Blue Chrome (Low Reflective) |
Expansion Ratio (20-200 ℃) |
0.00085％ (8.5μm/℃ of 1m) | |||
| Reflectivity | < 66% @550nm | <6% @550nm | < 13.4% @550nm | Surface Flatness | <5μm (Dimension<100mm) | |||
| < 73% @650nm | < 17% @650nm | < 1.8% @650nm | <20μm (Dimension<200mm) | |||||
| < 68% @750nm | < 23% @750nm | < 2.67% @750nm | <50μm (Dimension>200mm) | |||||
| Coating Thickness | 120nm (±0.20nm) |
100nm (±0.20nm) |
120nm (±0.20nm) |
Surface Roughness | <0.025μm | |||
| Optical Density OD | >3 | >3 | >4.5 | Thickness | 1.6mm (±0.3mm) |
2.3mm (±0.3mm) |
3.0mm (±0.3mm) |
4.8mm (±0.3mm) |
| White Background | Minimum Line/space: 10μm, Thickness: 40μm (White & Smooth Coating on the Back Side) |
MIN / MAX Overall Size |
MIN: 4x4mm； MAX: 800x960mm (±0.1mm) |
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| Positive / Negative | Positive: Opaque Pattern, Clear Background. Negative: Clear Pattern, Opaque Background. |
Overall Shape | Any Shape by Laser Cutting |
Square | Oval | Round | ||
| Frosted Glass on the Back | Frosted glass on the back are on request. | Special-shaped | Hole | Chamfer | Angle | Corner | ||
Applications Across Industries
These targets are essential for:
Precise industrial measurement systems |
Machine vision quality control |
Robotics and automation |
Medical imaging equipment |
Scientific research |
Autonomous vehicle vision systems |
Customized to Your Exact Specifications
Beyond our standard models, we offer complete customization options:
- Custom Checker Widths: From 0.1mm to 15mm+ to match your optical system
- Flexible Matrix Patterns: 12×9, 12×13, 15×14, 200×200 and custom configurations
- Edge Distances: Precision-controlled borders from 10mm to 25mm
- Special Requirements: Contact us for unique specifications
Multiple Substrate Options for Every Environment
Choose from laboratory-grade materials to match your specific requirements:
- Soda Lime Glass: Ideal for standard industrial environments with ±1μm accuracy
- Matte Ceramic: Superior durability for harsh conditions with ±2μm accuracy
- Carbon Fiber: Lightweight and resistant to thermal expansion
- Film Options: Flexible and economical for less demanding applications
Need assistance with your order?
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Product selection and compatibility
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Technical specifications
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Integration with your existing systems
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Custom requirements for your industry
Don't hesitate to reach out. Technical documentation, integration guidance, and custom solutions are available upon request.
We're committed to ensuring you find the perfect inspection solution for your needs.