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POY-211
Specifications:
Item
Basic Value
Objective(Ⅰ) F'=230
Objective(Ⅱ) F'=280
Indication value on
magnification (X)
2.5
1.5
1
0.66
0.4
2.5
1.5
1
0.66
0.4
Total magnification(X)
21.7
13.2
8.7
5.7
3.5
17.8
10.8
7.1
4.7
2.9
Linear field(mm)
11.5
18.4
27.6
42.3
69.2
13.4
22.2
33.6
51.1
84.4
Resolution(LP/mm)
85
68
53
35
28
80
63
42
31
22.4
Focal length of objective
F’ = 230mm, F’ = 280mm
Eyepiece magnification
16x
Exit pupil diameter
1.3mm/11.3mm
Magnification changer 5-stage
0.4x 0.66x 1x 1.5x 2.5x
Total magnification
2.9x ~ 21.7x
Linear field
11~84mm
Working distance
215mm , 260mm
Tilted angle
0°, 45°
Interpupillary distance
55-75mm
Diopter
±5
Fine focusing
±9mm
Specifications:
Item
Basic Value
Objective(Ⅰ) F'=230
Objective(Ⅱ) F'=280
Indication value on
magnification (X)
2.5
1.5
1
0.66
0.4
2.5
1.5
1
0.66
0.4
Total magnification(X)
21.7
13.2
8.7
5.7
3.5
17.8
10.8
7.1
4.7
2.9
Linear field(mm)
11.5
18.4
27.6
42.3
69.2
13.4
22.2
33.6
51.1
84.4
Resolution(LP/mm)
85
68
53
35
28
80
63
42
31
22.4
Focal length of objective
F’ = 230mm, F’ = 280mm
Eyepiece magnification
16x
Exit pupil diameter
1.3mm/11.3mm
Magnification changer 5-stage
0.4x 0.66x 1x 1.5x 2.5x
Total magnification
2.9x ~ 21.7x
Linear field
11~84mm
Working distance
215mm , 260mm
Tilted angle
0°, 45°
Interpupillary distance
55-75mm
Diopter
±5
Fine focusing
±9mm
