Modulation transfer function is a common method for evaluating the performance of optical imaging system.The measurement of MTF is very important in production and testing.

• 调制传递函数是评价光学成像系统成像质量的重要方法,因而测量光学系统的调制传递函数在各种成像光学系统生产实践中具有相当重要的作用。