Imatest is a suite of programs for testing the sharpness and image quality of lenses, digital cameras, and digitized film images using inexpensive, widely available targets.Never before has it been possible for photographers to measure the performance of their cameras and lenses with such accuracy and convenience. You had to rely on subjective judgments or published test results. Now you can perform your own measurements, simply and easily, by photographing a target and analyzing the resulting images with Imatest software.