Lens Focus Calibration Chart Tool for Camera Testing

Focus Accuracy Check: Spot front or back focus problems before shooting. The alignment ruler and test patterns let you verify camera and lens focusing, helpful for portraits and product photography Af Micro-Adjustment Aid: Made for cameras with AF micro-adjustment, this tool helps fine-tune interchangeable lenses. The alignment ruler gives visual feedback for precise menu adjustments and consistent focus Bubble Level Alignment: An integrated spirit level keeps the chart horizontal during testing. This lowers setup errors and supports accurate calibration results on desks, tables, or tripod setups 1/4"-20 Tripod Mount: The bottom 1/4"-20 threaded hole fits any standard tripod or stand. Stable placement keeps camera-to-chart alignment consistent through repeated lens tests Carry Case Storage: The compact, lightweight build comes with a storage pouch for transport and tidy storage. Great for on-location photo sessions, quick lens checks, and protection in camera bags