Project

Auxiliary Objective

Eyepiece

Working distance(mm)

SWF10X

WF15X

WF20X

WF25X

Magnifi-cation

Visual field

Magnifi-cation

Visual field

Magnifi-cation

Visual field

Magnifi-cationn

Visual field

Data

0.3X

1.6X
3X
5.3X
9X
16.5X

139.4
76.6
43.6
25.6
14

25X
4.5X
7.9X
13.5X
24.7X

97
53.3
30.3
17.7
9.7

3.3X
6X
10.5X
18X
33X

78.6
43.3
24.6
14.3
8

4.1X
7.5X
13.1X
22.5X
41.2X

72.6
40
23
13.3
7.3

300

0.5X

2.8X
5X
8.8X
15X
27.5X

93.6
46
26.3
15.3
8.4

4.1X
7.5X
13.1X
22.5X
41.3X

58.2
32
18.3
10.7
5.8

55X
10X
17.5X
30X
55X

47.3
26
14.9
8.7
4.7

6.9X
12.5X
21.9X
37.5X
68.8X

43.6
24
13.7
8
4.4

200

1X

5.5X
10X
17.5X
30X
55X

41.8
23
13.1
7.7
4.2

8.3X
15X
26.3X
45X
82.5X

29.1
16
9.1
5.3
2.9

11X
20X
35X
60X
110X

23.6
13
7.4
4.3
2.4

13.8X
25X
43.8X
75X
137.5X

21.8
12
6.9
4
2.2

95

1.5X

8.3X
15X
26.3X 45X
82.5X

27.9
15.3
8.8
5.1
2.9

12.4X
22.5X
39.4X
67.5X
123.8X

19.4
10.7
6.1
3.6
1.9

16.5X
30X
52.5X
90X
165X

15.8
8.7
5
2.9
1.8

20.6X
37.5X
65.6X
112.5X
206.3X

14.5
8
4.6
2.7
1.5

55

2X

11X
20X
35X
60X
110X

20.9
11.5
6.6
3.8
2.1

16.5X
30X
52.5X
90X
165X

14.5
8
4.6
2.7
1.5

22X
40X
70X
120X
220X

11.8
6.5
3.7
2.2
1.2

27.5X
50X
87.5X
150X
275X

10.9
6
3.4
2
1.1

35