光学样板是精密量具,它的精度是测量光学表面精度的核心问题。科学地制定光学样板的精度等级标准,要看光学设计发展的需要,要根据光学工艺和光学测量实践的可能。切实地保证光学样板的精度,则取决于加工制造、测量检验的正确与合理。本文拟粗析球面光学样板所含的误差,从保证精度 Optical model is a precision measuring tool, its accuracy is the core of optical surface measurement accuracy. Scientifically formulate the optical model of the level of accuracy standards, depending on the needs of optical design and development, according to optical technology and optical measurement practice possible. To ensure the accuracy of the optical model, it depends on the manufacture, measurement test is correct and reasonable. This paper is intended to coarsely analyze the error contained in the spherical optical model, from the assurance accuracy