3
1.
Applications
The MDJ series Metallurgical Microscope is widely used for
identifications and analysis of the structures of different metals and alloys
in factories,colleges and scientific department.
2.
Specification
2.1. Total Magnification
Objective
Eyepiece
5X
10X
20X
50X
80X
5X
25X
50X
100X
250X
400X
10X
40X
100X
200X
500X
800X
12.5X
50X
125X
250X
600X
1000X
16X
64X
160X
320X
800X
1280X
2.2. Objectives
Obj.Mark
Obj.Type
Magnification
Numerical
Aperture
(N.A.)
Working
Distance
（
mm
）
System
Colour
Ring
LPL5X/0.13
∞
/0
LPL
5×
0.13
16.07
Dry
Red
LPL10X/0.25
∞
/0
LPL
10×
0.25
18.48
Dry
Yellow
LPL20/0.40
∞
/0
LPL
20×
0.40
8.35
Dry
Light
Green
LPL50/0.70
∞
/0
LPL
50×
0.70
1.95
Dry
Light
Blue
LPL80/0.80
∞
/0
LPL
50×
0.80
0.85
Dry
Dark
Blue
Remark: 50×
、
80× are with spring
