Usaf 1951 Resolution Test Target, Calibration Plate for Optical and Pet Glass Lithography, Accuracy ±1 μm, Positive/Negative, 90% Light Transmission, Artificial Vision Testing

【USAF 1951 Resolution Test Target】Clearly defined groups and elements help assess resolution for cameras, lenses, microscopes, computer vision systems, optical inspection and imaging system testing. 【Optical glass ±1μm / PET ±5μm】Choose optical glass with ±1μm accuracy or PET with ±5μm accuracy to meet different precision requirements, applications and testing requirements. 【Positive and Negative Options】 Available with positive and negative patterns, different ranges of groups, sizes and materials, to facilitate the selection of the target that best suits different fields of view and magnification. 【Optical Glass with 90% Transmittance】Optical glass models offer 90% light transmittance with ±1μm accuracy, allowing clear pattern observation and reliable testing in optical transmitted light configurations. 【Chrome Photolithography Model】 Made with high-precision photolithography and a chrome image model for clearly defined line groups, supporting repeatable resolution tests, calibration and optical inspection.