Lens equation of axis-beyond object point is derived by Fermat s principle, the process of derivation indicates clearly that near axial conditions are necessary and sufficient conditions of ideal image formation.
用费马原理推导透镜对轴外物点的物像公式,推导过程清楚表明近轴条件是理想成像的充分必要条件。
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号