.OPERATION: | TF C3 | ; Generate straight, complex, CTF |
.CTF OUTPUT FILE: | tfct | ; CTF correction volume (output) |
.SPHERICAL ABBERATION CS [mm]: | 2.0 | ; CS |
.DEFOCUS [A], ELECTRON VOLTAGE [Kev]: | 3660, 300 | ; Defocus, electon voltage |
.NUMBER OF SPATIAL FREQUENCY POINTS: | 64 | ; Number of spatial freq. points |
.MAXIMUM SPATIAL FREQUENCY [1/A]: | 0.427 | ; Max spatial freq. |
.SOURCE SIZE [1/A], DEFOCUS SPREAD [A]: | 0.005, 0.0 | ; Source size, defocus spread |
.ASTIGMATISM [A], AZIMUTH [DEG]: | 2000, 0 | ; Astigmatism, azimuth |
.AMPLITUDE CONTRAST RATIO [0-1], GAUSSIAN ENVELOPE HALFWIDTH: | 0.1, 10000 | ; ACR, GEH (10000 = has no effect) |
.SIGN [+1 or -1]: | -1 | ; Sign |