The ATI EXT is a  video extensometer featuring an optical non-contact three dimensional deformation measurement system based on the Digital Image Correlation (DIC) method. This innovative technology enables precise measurement of both 2D and 3D strain properties in various materials and components, making it an invaluable tool in material testing. Designed for versatility, the ATI EXT can be utilized for testing and displacement measurement of 3D profile displacement deformation in a wide range of metals and non-metals. Its capability to handle static and dynamic deformation tests ensures comprehensive analysis, catering to the demands of modern engineering applications. With its non-contact measurement approach, ATI EXT minimizes interference with the test specimen, allowing for more accurate results. This feature is particularly beneficial in sensitive applications where traditional methods may alter the material behavior. ATI EXT stands out as a reliable solution for engineers and researchers seeking high precision in deformation measurement. Its advanced DIC technology and adaptability across various testing scenarios make it an essential instrument for enhancing quality assurance and driving innovation in material science.