==== Ctffind2 ==== **Determines defocus and astigmatism for images of arbitrary size (MRC format). Astigmatic angle is measured form x axis (same convetiones as in the MRC 2D image processing programs).** {{ :screen_shot_2018-07-08_at_13.22.00.png |}} {{ :screen_shot_2018-07-08_at_13.22.09.png |}}