Features: This monitor calibration tool is designed for precise lens focus adjustment, featuring a durable resolution test chart. Its standardized photographic chart pattern enhances camera image quality and ensures lens accuracy for various lighting conditions, making it ideal for CCTV calibration and professional photographic tools use. Features -Color:Multi -Material:Paper -Size:40.00X32.00X0.20cm/15.72X12.58X0.08in -Precise focus adjustment: achieve crystal-clear image quality with our camera focus chart, designed for professional lens test and high-resolution camera chart needs during cctv installation -Efficient calibration process: the resolution testing card allows quick resolution calibration, streamlining camera focus adjustment tasks and significantly reducing installation time -Monitor calibration tool: featuring standardized image test chart patterns, this lens test chart is compatible with a wide range of cameras and lens tester brands, ensuring versatile application -Color calibration card: manufactured with robust materials, the lens calibration tool withstands repeated use in various environments, minimizing replacement frequency -Reliable performance in any lighting: engineered for color accuracy chart evaluation, the card maintains consistent results as a calibration card, even in low-light or high-glare scenarios Package list: 1 x camera test card