Modulation Transfer Function (MTF)

The Modulation Transfer Function (MTF) is a measure used to evaluate how well an imaging system, like a camera or telescope, reproduces details from a scene. It quantifies the contrast and sharpness of images at various levels of detail, or spatial frequencies. Essentially, MTF indicates how effectively fine details are captured; a high MTF value means better detail reproduction. In simpler terms, it helps determine how clear and accurate an image will be, allowing comparisons between different imaging systems or settings.