USAF-1951 Linear Direct Read Resolution Target (T-22)
T-22 has two major improvements for easier scanning and viewing while retaining all of the bar an spacing in the traditional USAF 1951 chart; meeting the requirements as specified in MIL-STD-150A. The layout has been reconfigured from the spiral layout to two straight columns while the Group & Element reference labeling has been changed to the Direct Frequency Labeling in C/MM adjacent to their features. The numeric labeling is enhanced and based on OCR-A extended font, to maximize recognizability. Smaller Elements have finder squares next to them to aid in determining their locations. Targets are offered on four standard substrates; There are four standard materials for each product; Chrome onGlass (CG) Chrome on Opal (OP) Photo Paper (RM) and Film (TM).