3
STEINDORFF
®
III.
SPECIFICATION:
1.
Mechanical tube length: 160mm
2.
Objective
Strain free achromatic objective
Magnification
Numerical aperture (N.A.)
Thickness of the cover slip (mm)
4×
0.10
0.17
10×
0.25
0.17
25×
0.40
0.17
40×(S)
0.65
0.17
63×(S)
0.85
0.17
3.
Eyepiece
Type
Magnification
Vision field’s diameter (mm)
Wide field eyepiece
10×
18
Gridding eyepiece
10×
18
Cross eyepiece
10×
18
Graduation eyepiece
10×
18
4.
Total magnification
Total Objective
magnification
Eyepiece
4×
10×
25×
40×
63×
10×
40×
100×
250×
400×
630×
5.
Adjustable center quadruple nosepiece.
6.
Rotatable mechanical stage, diameter 160mm, 360°part scale and cursor precision 6’.
7.
Focusing: Coaxial coarse
&
fine focusing adjustment with rack and pinion mechanism, fine focusing
scale value is 0.002mm.
8.
Illumination: Halogen bulb 12V/30W AC 85V-230V adjustable brightness.
9.
Viewing head: Sliding binocular or trinocular head, inclined at 45°.
10.
Blue filter
11.
Complementary color equipment: gypsum (λ), mica (1/4λ) sample, quartz wedge.
12.
Attachable mechanical stage: moving range is 30mm×40mm.
13.
Condenser: Swing type N.A 1.30 Abbe condenser with iris diaphragm.