OPTO-EDU A15.1018, Инструкция по эксплуатации

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13
5
．
Technical Specifications
1.
Main specifications
1.system
：
Infinite system
2.polarized objective （ plan ）
Magnification Numerical
aperture
（
NA
）
Thickness of
cover
slip(mm)
Working
distance
（
mm
）
Work
type illumination
5× 0.12 - 15.4 dry T/R
10× 0.25 - 10 dry T/R
20× 0.40 - 5.1 dry T/R
40× 0.65 0.17 0.35 dry For transmitted light
100× 1.25 0.17 0.13 oil For transmitted light
50× 0.75 0 dry For reflected light
100× 0.8 0 dry For reflected light
3. Eyepiece with reticule
Category Magnification Field of view
（
mm
）
Plan eyepiece 10× Φ22
Crisscross eyepiece 10× Φ22
Eyepiece with scale of
crosshair
10× Φ22
eyepiece with gridding 10× Φ22
4. Total magnification
eyepiece 10× 10× 10× 10× 10× 10×
objective 5× 10× 20× 40× 50× 100×
Total
magnification 50× 100× 200× 400× 500× 1000×
5
．
Rotatable stage
：
Diameterф170mm
，
360°scale
。
Minimum reading 6’by means of
vernier scale
6. Coaxial Coarse and Fine Focusing System,
Sensitivity and Graduation of Fine Focus: 0.001mm
Focusing movement range ： 32mm
7
．
Polarizer: can be swung out
8
．
Analyzer:0°-360°rotatable
9 ． Bertrand lens: can be removed from optical path
10. Test plate compensator
：
1/4λ test plate,λtest plate as well as quartz wedge test
plate, inserted at 45 degree
11
．
Condenser: NA=0.9/0.25 top lens swing-out type
12
．
Illumination system: Koehler Illumination, halogen lamp 24V100W for reflected
and transmition light, brightness adjustable
Note:
If the periphery of the conoscopic image is dark, move the condenser vertically to find
the position where the periphery is brightest.