Magnification Table for FEI Falcon Camera on Tecnai F30

Chen Xu

$BrandeisEM: ~/emdoc/articles-xml/mag-table-FalconII-on-F30/article.xml 1 2014-04-11 12:33:18 xuchen Exp$

Falcon II camera is mounted post-column and pre-GIF tube on Tecnai F30. It has physical pixelsize of 14um on the chip. This table lists the pixelsizes at specimen level under different magnifications. It should be helpful if you try to figure which mag you want to use for imaging.

You can also get pdf version of this document here.


Table of Contents
1 Mag & Pixel Size Calibration table

1 Mag & Pixel Size Calibration table

The calibration was done using standard 0.463um distance grating grid.

Mag Index Mag_ScreenUp(X) Mag_OnCCD(X) PixelSize@4096(nm)
1 51   186
2 81   133
3 110   88.3
4 140   71.5
5 200   48.9
6 280   35.3
7 350   28.2
8 450   21.9
9 560   17.6
10 660   14.8
11 900   10.9
12 1100   8.90
13 1350   7.44
14 1700   5.89
15 1900   5.24
16 2150   4.55
17 2300   4.57
18 3100   3.43
19 3900   2.74
20 4700   2.34
21 9400   1.19
22 12000   0.936
23 15500   0.713
24 20000   0.559
25 23000   0.472
26 31000   0.353
27 39000   0.282
28 59000   0.183
29 78000   0.140
30 93000   0.117
31 115000   0.094
32 155000   0.070
33 200000   0.055
34 230000   0.047
35 310000   0.035
36 390000   0.028
37 470000   0.023
38 620000   0.018
39 800000   0.014