一切方向的光线通过透镜时,都会产生偏折,使光线传播方向发生变化;但透镜上有一点,任意方向的光线通过该点时,光线的传播方向不变,即出射方向和入射方向相互平行,这一点叫透镜的光学中心。在配镜中。将光轴与镜片前面的交点定义为光学中心
光学中心偏测量在光学系统的检测和装校中具有重要的意义。
The optical measurement of decentration is of great significance to detection, fixing and regulating of an optical system.
更具体的相机应该围绕“没有视差点(光学中心的相机/镜头)。
More specifically the camera should be rotated around the ' no parallax point' (the optical center of the camera/lens).
眼镜都有一个光学中心,也就是说通过透镜的焦点看事物是最清晰的。
Glasses have what's called an optical center, which means that objects appear clearest when viewed through the center of the lenses.
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