Description This monitor calibration card, designed for security camera focus chart applications, allows accurate adjustment of lens sharpness and alignment. Its high-contrast focus chart and lens calibration target patterns help technicians quickly fine-tune CCTV lens focus. Optimized for studio focus chart setups or industrial scenes, it enhances image clarity, ensuring consistent video quality. Features -Color:Multi -Material:Self-adhesive/paper -Size:40.00X30.00X0.01cm/15.72X11.79X0.00in -Precision camera calibration: achieve optimal focus and clear imaging for security systems with our monitor calibration card, ensuring accurate lens sharpness and enhanced performance day or night -Fast and efficient adjustment: quickly align and calibrate your cctv system using the camera lens test card, saving valuable installation time and reducing hassle during camera setup -Versatile compatibility: our lens focusing target supports ptz cameras, ip cameras, and wired systems, making it a universal camera focus chart suitable for diverse monitoring environments -Highcontrast test patterns: the photographic test chart features bold, highcontrast designs for rigorous lens sharpness testing, keping genuine image representation and color accuracy -Portable and convenient design: lightweight and compact, this camera setup calibration chart can be easily transported, enabling onsite lens alignment and focus correction for swift adjustmentsPackage list: 1 x test card