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Hitachi Microscope & Magnifier S-3400N Manual Do Utilizador

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3.5.2 
3 - 39 
3.5.2.1  Notes on Using the Lowest Magnification and Conducting Observations at a Low 
Magnification 
 
(1)  Range of minimum magnifications 
Table 3.5-2 shows available minimum magnifications for the various observation parameters.   
The minimum magnification is subject to restrictions by WD and accelerating voltage, scan 
speed. 
 
Table 3.5-2  Minimum Magnification  
 
TV/Fast Slow TV/Fast Slow TV/Fast Slow TV/Fast Slow TV/Fast Slow TV/Fast Slow TV/Fast Slow TV/Fast Slow
30.0 ～ 28.1
80
55
45
32
37
25
27
19
20
14
15
11
13
9
12
9
28.0 ～ 26.1
80
55
45
32
35
25
27
19
19
13
15
11
12
9
12
8
26.0 ～ 24.1
80
55
42
30
35
25
25
18
18
13
14
10
12
9
11
8
24.0 ～ 22.1
75
50
42
30
32
23
25
17
18
13
14
10
12
8
11
8
22.0 ～ 20.1
65
47
42
30
30
21
23
17
17
12
13
10
11
8
10
7
20.0 ～ 18.1
65
47
40
27
30
21
23
16
16
11
13
9
11
8
10
7
18.0 ～ 16.1
65
45
35
25
30
20
21
15
15
11
12
9
10
7
10
7
16.0 ～ 14.1
60
42
35
25
27
19
20
14
14
10
11
8
10
7
9
6
14.0 ～ 12.1
60
42
32
23
25
17
19
13
14
10
11
8
9
6
9
6
12.0 ～ 10.1
55
37
30
20
23
16
17
12
13
9
10
7
8
6
8
6
10.0 ～ 8.1
45
32
27
19
21
15
16
11
11
8
9
7
7
5
7
5
8.0 ～ 6.1
42
30
23
16
18
13
14
10
10
7
8
6
7
5
7
5
6.0 ～ 4.1
35
25
20
14
15
11
12
9
9
6
7
5
6
5
6
5
4.0 ～ 2.1
35
25
20
14
15
11
12
9
9
6
7
5
6
5
6
5
2.0 ～ 0.3
35
25
20
14
15
11
12
9
9
6
7
5
6
5
6
5
Vacc(kV)
3.5～
9.5～
29.5～
13.5～
19.5～
55.5～
WD(mm)
49.5～
39.5～