Project

Auxiliary Objective

Eyepiece

Working distance(mm)

WF10X

WFl5X

WF20X

WF25X

Magnifi-cation

Visual field

Magnifi-cation

Visual field

Magnifi-cation

Visual field

Magnifi-cationn

Visual field

Data

0.5X

5X
10X
15X
20X

40
20
13
10

7.5X
15X
22.5X
30X

32
16
10
7.8

10X
20X
30X
 40X

26
13
8.7
6.5

12.5X
25X
37.5X
50X

24
12
8
6

160

0.75X

7.5X
15X
22.5X
30X

26.7
13.3
8.9
6.7

11.3X
22.5X
33.8X
45X

21.3
10.7
7.1
5.3

15X
30X
45X
60X

17.3
8.7
5.8
4.3

18.8X
37.5X
56.3X
75X

16
8
5.3
4

120

1X

10X
20X
30X
40X

20
10
6.7
5

15X
30X
45X
60X

16
8
5
3.4

20X
40X
60X
80X

13
6.5
4.3
3.3

25X
50X
75X
100X

12
6
4
3

105

1.5X

15X
30X
45X
60X

13.3
6.7
4.4
3.3

22.5X
45X
67.5X
90X

10.7
5.3
3.6
2.7

30X
60X
90X
120X

8.7
4.3
2.9
2.2

37.5X
75X
112.5X
150X

8
4
2.6
2

45

2X

20X
40X
60X
80X

10.5
3.3
2.5

30X
60X
90X
120X

8
4
2.7
2

40X
80X
120X
160X

6.5
3.3
2.2
1.4

50X
100X
150X
200X

6
3
2
1.5

30