optic axis

視軸

學術名詞

• 光軸：化學術語、計量學、測量學、機械工程、礦物學、海洋地質學
• [晶體]光軸：物理學
• 視軸：動物學
• 眼軸：動物學
• 光學軸：機械工程

英文釋義

1. in a doubly refracting crystal, the line in the direction of which no double refraction occurs
2. a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted