Drawell B104 LED Manuel de l'utilisateur - Page 5
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1. Purpose
B series biological microscope is designed for teaching, clinical verify. The
series microscope with original style, steady structure, convenient operation and
clear image is suitable for observing various biological specimens, and mostly
applied in school, college, hospital and family.
2. Specifications
2.1 Total magnifications
Total Magnifications
Eyepiece
2.2 Objectives
Numerical
Objective
Aperture
(N.A.)
4X
0.10
10X
0.25
40X (S)
0.65
100X
1.25
(Oil) (S)
2.3 The other specification
2.3.1 Mechanical tube length: 160mm
2.3.2 Conjugate distance: 195mm
2.3.3 Head: Monocular, Inclined 30°, Rotable 360°, Eyepiece can be fixed,
Anti-fungal systems.
Objective
10X
16X
Objective Field
Field
Field
Number
Number
ф18
ф20
4.5mm
5mm
1.8mm
2mm
0.45mm
0.5mm
0.18mm
0.2mm
4X
10X
40X
100X
64X
160X
Working Distance
Resolving
Power
Achromatic
2.8µm
13mm
1.1µm
6.3mm
0.42µm
0.44mm
0.22µm
0.3mm
3
40X
100X
400X
1000X
640X
1600X
Objective
Plan
16mm
2mm
0.66mm
0.42mm