原文由 天黑请闭眼(shxie) 发表:
找到了:
“The rotation-free series of the Tecnai microscopes result for the majority of magnification and camera lengths in a fixed rotation angle between image and diffraction (dependent on the type of objective lens). The rotation angle is typically not zero (because that would result in a very restricted set of camera lengths available) but 60 or 90°. There may be a few camera lengths and images that do rotate (once again to make these available), typically at the extremes of magnification- and camera-length ranges (especially for energy-filter series).”
原文由 天黑请闭眼(shxie) 发表:原文由 洪星二锅头(coime) 发表:
谢老师,有没有做具体的测量,是刚好就是60或者90°吗?,日本电子也是有的,不过磁转角是变化,且不是这么特殊的数字
我在200 mm下拍摄,应该是90度。日本电子的2011ms在200 mm下没有转角,ms2000mm也是没有的,其他的就不太清楚。
版主有2100F的相关数据吗?