Lens Focus Adjustment Card, Camera Focus Calibration Chart, Calibration Accuracy ±5μm, Tear-Resistant Photo Paper Material and Thickness 0.25mm, for Home, Office, Commercial Places

Product Parameters: Product Name: Professional Camera Focus Adjustment Card Material: High-Quality Photo Paper Size: 400 * 300mm (15.75 x 11.8 inches) Type: Reflective Type Thickness: 0.25mm Calibration Accuracy: ±5μm Production Process: High-Precision Spray Coating Technol Package List: Camera Focus Adjustment Card *1

• 【Crystal Clear Imaging Results】: This professional lens tester delivers sharp, blur-free footage for security cameras, eliminating fuzzy details and drastically boosting your surveillance system’s overall image quality. It captures critical information clearly, avoiding missed details from poor lens focus.
• 【Effortless & Efficient Lens Calibration】: Exclusively designed for surveillance cameras, this focus card simplifies lens calibration, cutting complex steps and boosting efficiency. It enables fast single-person deployment across camera models, saving time and labor for installers and technicians.
• 【Intuitive & User-Friendly Calibration】: Featuring a clear, straightforward design, this tool requires no professional training. Technicians of all levels can master calibration quickly, fine-tune lenses accurately and optimize surveillance network performance easily.
• 【Built to Last for Long-Term Use】: Made of heavy-duty tear-resistant photo paper, this calibration tool is built for long-term frequent use. It reduces replacement needs and serves as a cost-effective solution for ongoing surveillance projects.
• 【Versatile Use】: This versatile calibration tool offers high-precision testing for indoor and outdoor use, adapting to home, commercial, office and perimeter surveillance. It fully meets all your security calibration needs.