Metallographic Microscope Objective Lens Infinity Plan Long Working Distance

Description

5X, 10X, 20X, 50X Infinity Long Working Distance Objective Lens for Metallurgical Microscope
Thread: 4/5x1/36"
Magnification
NA
WD(mm)
Focus(mm)
Resolution(mm)
DF(mm)
Object field of view(mm)
Image field of view（mm)）
5X
0.12
23.6
36
2.8
42.9
5
22.5
10X
0.25
17.8
18
1.34
10.1
2.5
22.5
20X
0.4
10.4
9
0.8
3.5
1.25
22.5
50X
0.55
7
3.6
0.61
1.4
0.5
22.5
100X
0.8
3.2
1.8
0.41
0.6
0.25
22.5