2
STEINDORFF
®
2. Main Specifications
1. Mechanical tube: 160mm
2. Objectives (achromatic):
Magnification
Numerical
Aperture
Focal Length
f (mm)
Working distance
(mm)
4X
0.10
31.05
37.5
10X
0.25
17.13
7.316
40X
0.65
4.65
0.632
100X
1.25
2.906
0.198
3. Eyepiece
Category
Magnification
Focal Length f (mm)
Field of view
（
mm
）
Plan
Eyepiece
10X
24.95
Ø18
4. Total Magnification
Eyepiece 10X
10X
10X
10X
Objective 4X
10X
40X
100X
Total
40X
100X
400X
1000X
5. Objective conjugate distance:195mm
6. Stage: double layer stage 125mmX115mm
7. Coarse focusing range: 6.5mm
8. Condenser: Abbe Condenser, N.A. = 1.2 with iris diaphragm
9. Diameter of filter: Ø28mm
10. Illumination: LED Lamp, brightness adjustable
