1911年，蔡司产品实现了柯勒提出的在一台显微镜上所有物镜齐焦的想法。也就是，当从一个物镜转换另一个物镜后，图像依旧在焦面上。

In 1911, Zeiss implements Köhler's idea of parfocalizing all objectives used on a microscope, which means that the image remains in focus when the observer exchanges one objective for another.

youdao

1911年，蔡司产品实现了柯勒提出的在一台显微镜上所有物镜齐焦的想法。也就是，当从一个物镜转换另一个物镜后，图像依旧在焦面上。

In 1911, Zeiss implements Köhler's idea of parfocalizing all objectives used on a microscope, which means that the image remains in focus when the observer exchanges one objective for another.

youdao