13
4
．
Technical Specifications
BM-300
1)
、
Main Specifications
Optical System
Infinite optical system
Viewing Head
Compensation Free Binocular or Trinocular Head, 30°Inclined,
Interpupillary Distance: 48-75 mm
Eyepiece
Wide Field Eyepiece with field of view
φ
18 (mm)
Nosepiece
Quadruple Nosepiece
Objective
Infinitive Semi-plan Objectives 4
×
，
10
×
，
40
×
、
100
×
Focusing
Coaxial Coarse and Fine Adjustment, Moving Range20mm, Fine Division 0.002mm
Condenser
Abbe Condenser
，
NA=1.25
Stage
Double Layers Mechanical Stage 140mm
×
140mm
，
Moving Range 75
×
50mm
Illumination
3W LED
2)
、
Eyepiece and objectives
1.
Infinitive Semi Plan Objectives
Magnification
Numerical Aperture
Focal Length
（
mm
）
Working Length
（
mm
）
Objective
4
×
0.10
45.3
17
dry
10
×
0.25
17.96
6
dry
40
×
0.65
4.5
0.37
dry
100
×
1.25
1.81
0.13
oil
2.
Optional Eyepiece
Eyepiece
Magnification
Focal Length
（
mm
）
Field of View
（
mm
）
Wide field plan eyepiece
10
×
25
φ
20
