Bresser BioScience Mode D'emploi page 8

To work with this microscope, sharp and pointed aids are being used. Please take care that this microscope and
its accessories are stored out of the reach of children. Let children only work with this microscope under an
adult's supervision! Keep packing material (plastic bags etc.) away from children!
Table of Contents
I. Components
II. Technical Data / Included with Your Purchase
III. Observing Operation
IV. The Operations of Each Unit
V. Maintenance, EEC Conformity Explanation, Warranty
I. COMPONENTS
Fig. 1
Nosepiece
B
Condenser up-down knob
C
D Limit knob (up stop)
E Coarse focusing knob
Fine focusing knob
F
Power switch/Brightness control knob
g
Power plug
h
Auxiliary lens of condenser
i
Condenser holding screw
j
1) Condenser centering screw
1! Stage
Objective
1@
Trieocular head (only 5750600)
1#
Eyepiece type
Wide field eyepiece (WF)
WF eyepiece with crosshair
Objective type
Achromatic
objective
Objective:
Eyepiece:
10x
• Condenser: Numerical aperture NA = 1.25.
• Stage: Travel range is longitudinal 35 mm, traverse 75 mm
• Fine focusing knob: Minimum division 0.002 mm.
• Interpupillary distance adjustment range: 53-75 mm.
• Light sources: 12 V, 20 W halogen lamp with brightness
adjustment.
II. TECHNICAL DATA / INCLUDED WITH YOUR PURCHASE
Magnification Field of view
diameter / mm
10x
10x
Magnification
4x
10x
40x
100x
Total magnification
4x
Total magnification
40x
CAUTION!!
Fig. 2
B Eyepiece
C Specimen holder
Condenser (with aperture diaphragm)
D
Field diaphragm and filter seat
E
Longitudinal adjustment knob
F
Transversal adjustment knob
G
H Fine focusing knob
I Knob for tensional adjustment of focusing
Tube holding screw
J
Fig. 3
Tube holding screw
B
C Trinocular head
D Eyepiece
Nosepiece
E
Objective
F
Condenser centering screw
g
Condenser holding screw
h
i Condenser (with aperture diaphragm)
J AC-adapter
Eyepiece tray
1)
Accessory tray
1!
Eyepieces
20
Objectives
Numerical aperture
NA
0.1
0.25
0.65
1.25 (oil)
10x
100x
• Anti-fungus: Yes.
• Filters: Transparent and blue.
• Spare halogen lamp (12 V, 20 W)
• Dust proof cover
• AC-adapter
• Instruction manual
8
Focal length
ƒ / mm
25
Working distance
WD / mm
40x
400x
Technical alterations and errors excepted
Remarks
optional
17.9
8.8
0.56
0.33
100x (oil)
1000x