Focus Calibration Table, Target Tool, Integrated Bubble Level, Standard Tripod Stand 1/4"-20, Easy Positioning

【Enhanced Lens Functionality】Using this device allows photographers to determine if their lens is working optimally, helping to find problems and get the precise focus needed for professional quality photography. 【Simplified AF Optimization】Designed to be compatible with interchangeable lenses and DSLR cameras, this tool helps users quickly calibrate their equipment, allowing them to capture sharper and more accurate images under various shooting conditions. 【Stable & Versatile Setup】With a built-in level bubble and a standard 1/4-20 tripod mount, this focusing plate ensures stable alignment and can be easily positioned for accurate testing on any surface. 【Clear High Contrast Pattern】The test board features a high-contrast objective design with clear scale markings, allowing for quick and accurate evaluation of focus accuracy. The non-reflective surface ensures no interference from ambient light during calibration. 【Portable Sturdy Design】Compact, lightweight and durable, this focus test tool comes with a convenient carrying case, making it easy to carry anywhere and ensures reliable performance wherever your photography takes you.