Microscope magnifications and pixel size

CryoARM300 (Nominal magnification; calibrated pixel size)

update 01/05/2026

CS value 2.7

50x 99.58 nm
120x 40.11 nm
400x 13.47 nm
500x 10.83 nm
1500x 3.274 nm
2000x 2.517 nm
2500x 1.974 nm
3000x 1.672 nm
4000x 1.25 nm
5000x 0.9892 nm
6000x 0.826 nm
8000x 0.634 nm
10k 0.5316 nm
12k 0.449 nm
15k 0.3617 nm
20 k 0.2635 nm
25k 0.197 nm
30k 0.1565 nm
40k 0.1099 nm
50k 0.0807 nm
60k 0.0705 nm
80k 0.497 nm
100k 0.0393 nm
120k 0.0329 nm

JEOL 1400 (Nominal magnification; calibrated pixel size)

CS value: 3.4

80x 141.3 nm (calculated from 500x)
500x 22.61 nm
600x 19.11 nm
800x 14.33 nm
1000x 11.58 nm
1200x 9.63 nm
1500x 7.69 nm
2000x 5.90 nm
2500x 4.65 nm
3000x 3.93 nm
4000x 2.92 nm
5000x 2.34 nm
6000x 1.97 nm
8000x 1.48 nm
10k 1.18 nm
12k 0.998 nm
15k 0.780 nm
20k 0.590 nm
25k 0.478 nm
30k 0.383 nm
40k 0.287 nm
50k 0.235 nm
60k 0.194 nm
80k 0.143 nm
100k 0.114 nm

JEOL 1400 plus (Nominal magnification; calibrated pixel size)

CS value: 3.4

80x 141.3 nm (calculated from 500x)
500x 22.61 nm
600x 19.11 nm
800x 14.33 nm
1000x 11.58 nm
1200x 9.63 nm
1500x 7.69 nm
2000x 5.90 nm
2500x 4.65 nm
3000x 3.93 nm
4000x 2.92 nm
5000x 2.34 nm
6000x 1.97 nm
8000x 1.48 nm
10k 1.18 nm
12k 0.998 nm
15k 0.780 nm
20k 0.590 nm
25k 0.478 nm
30k 0.383 nm
40k 0.287 nm
50k 0.235 nm
60k 0.194 nm
80k 0.143 nm
100k 0.114 nm