BestScope BS-8060B User manual
Gemological Microscope
Model: BS-8060B/T/BD
Instruction Manual
It is recommended strongly that you study this manual thoroughly before using the
microscope. Retain this manual in an easily accessible place near the work desk for future.
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Contents BS-8060
CONTENTS......................................................................................1
USER NOTICE...................................................................................
1. Components................................................................................3
2. Assembly.....................................................................................4
2.1 Assembly Diagram..............................................................................4
2.2 Detailed Assembly Procedure............................................................5
3. Adjustment and Operation....................................................... 7
3.1 Stand Adjustment ...........................................................................7
3.2 Adjusting Binocular Viewing Head..................................................8
3.3 Bottom Illumination...........................................................................9
3.4 Top Illumination...............................................................................10
4. Specification..............................................................................11
5. Troubleshooting........................................................................11
6. Outfit.........................................................................................12
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Use Notices BS-8060
1. Safety Precaution
1. Carefully open the box, avoid the accessories, like lens, dropping to ground and being
damaged.
2. Check the input voltage, be sure the input voltage which marked on the microscope is
consistent with the power supply voltage, otherwise it will bring a serious damage to the
instrument.
3. Do keep the instrument out of direct sunlight, high temperature or humidity, dusty and easy
shaking environment. Make sure the table is smooth, horizontal and firm enough.
4. When moving the instrument, please use two hands to grip with the arm and the base of the
microscope.
5. Make sure the instrument is earthed, to avoid lighting strike.
6. Do not disassemble any part of the microscope, especially the electrical parts on the bottom
side as this may result in electric shock.
7. Use the factory supplied power cord, please.
2. Maintenance and Storage
1. All the lenses have been well checked and adjusted. It is forbidden to disassemble them
yourself.
2. The binocular viewing head and focusing unit have a compact and precise frame; please
don’t disassemble them as possibly as you can.
3. Keep the instrument clean, wipe dust regularly, and be attention to avoid contaminating the
optical elements especially.
4. The contaminations on the prism, as fingerprint and oil, could be gently wiped with a piece
of soft cloth or tissue paper, gauze which has been immersed in pure alcohol or ether. (Note
that the alcohol and ether are highly flammable, do keep them away from the fire or
potential sources of electrical sparks, and use them in a drafty room as possible as you
can.)
5. Do not attempt to use organic solvents to clean the microscope components other than the
glass components. To clean them, use a lint-free, soft cloth slightly moistened with a
diluted neutral detergent.
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1. Components BS-8060
1．Name of Components
BS-8060
15×eyepieces
Stand
Focusing knobs
Base
Main switch
Fluorescent lamp
LED lighting
Stoneholder
Zoom body knob
Zoom body
Brightness adjusting knob
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2.Assembly BS-8060
2.1 Assembly Diagram
The diagram below shows how to assemble the various modules. The numbers indicate the order of
assembly.
★When assembling the microscope, make sure that all parts are free of dust and dirt, and avoid
scratching any parts or touching glass surfaces.
BS-8060
Binocular head
locking bolt
②
①
⑤
④
③
⑥
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BS-8060
2.2 Detailed Assembly Procedure
Fig. 2
Fig. 1
1
②
③
④
5
6
2.2.1 Mounting zoom body (Fig. 1)
Loosen the clamping bolt①on the stand and
insert the zoom body ②into the bracket of
the stand, then screw down the bolt①.
2.2.2 Mounting eyepieces (Fig.1)
Remove the eyepiece dust caps ③and
rotating the adjustable eyepieces ④while
insert them into the eyepiece sleeves until
they stops, as Fig.1 shows. Keep your eyes at
the correct distance from eyepieces, and make
the microscope even more comfortable to use.
2.2.3Install stoneholder (Fig. 2)
The stage has two stoneholder mounts ⑥
where you attach the stoneholder⑤.
Note:
Working Environment Requirement:
1. Ambient temperature: 5°Cto40°C. (41
°F to 104°F), Maximum R.H: 85%.
2. High Temperature will result in a mildewing,
dew and even ruinous instrument.
3. Avoid placing the instrument in a dusty
environment. When ending your microscope
operation, please cover it with the dust cover.
4. Lay the microscope in a plan and stable
position, please.
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BS-8060
2.2.4 Install fluorescent lamp (Fig. 3)
1. Install the fluorescent lamp into the socket ②
in front of the stage, and seat it as deeply as
possible.
2. Tightening the screw cap①to fix it.
3. The tile of fluorescent lamp illumination is
adjustable for individual comfortable.
2.2.5 Install LED lighting(Fig. 4)
1. Insert LED pipe ③into the socker ④and
seat it as deeply as possible.
2. Remove the plastic cover of the LED pipe.
Fig. 4
Fig. 3
1
②
③
④
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托架
3.Adjustment and Operation BS-8060
3. 1 Adjusting Stand
Fig. 6
1
2
3.1.1 Adjusting the base(Fig. 5)
Rotating the microscope to a suitable position
for viewing comfort by pushing the base ①
gently.
3.1.2 Adjusting the tilt of stand(Fig. 5)
The tilt of stand is adjustable by holding down
the frontage of base①with left hand, and take
hold of bracket with right hand, then push or
pull the bracket to obtain the most comfortable
viewing position. The stand is 0-38°adjustable.
3.1.3 Adjusting the rotation tension of
the focus adjustment knob (Fig. 6)
1．Rotating the focus adjustment knob②to lower
the zoom body to a lower place for fear that the
zoom body drops down suddenly if the tension
is decreased too much.
2. Hold the focus adjustment knobs with both
hands, stop the left knob and rotate the right
knob to increase or decrease the focus knob
tension.
Fig. 5
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④
BS-8060
3.2 Adjusting Binocular Viewing Head
.
⑤
③
⑥
Fig. 8
Fig. 7
②
①
3.2.1 Adjusting interpupillary distance
(Fig. 7)
While looking through the eyepieces, hold
the left and right of the binocular assembly
①and adjust the eyepieces by opening or
closing them for binocular vision until the
left and right fields of view coincide
completely.
‘
3.2.2 Adjusting diopter ring (Fig.8)
1. Close the baffle by turning the baffle control
knob ②clockwise, and close the iris
diaphragm by turning the iris diaphragm
control lever③clockwise.
2. Set the dioptor rings④of both eyepieces to
“0”position. (Do this when users change,
because different users have different
diopters.)
3．Rotate the zoom body knob⑤to the highest
magnification 5 ×, and turn the focusing
knob⑥to focus the iris diaphragm.
4．Rotate the zoom body knob⑤to the lowest
magnification 0.8 ×, adjust the diopter ring
④on left eyepiece to focus the specimen
then do the same thing for the right one.
5．Repeat item 3 and 4 until the specimen image
can always focus without any adverse effect
of the changes of magnification on the
definition of the image.
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BS-8060
①
Fig. 9
Fig. 10
④
③
②
3.3 Bottom illumination (Fig. 9, 10)
Turn the main switch①to “I”(on) state,
and rotate the brightness adjusting knob ②
to obtain a comfortable brightness.
1. Adjusting the iris diaphragm ；the iris
diaphragm restricts the diameter of the beam
of light entering the objective and thus
excludes extraneous light, improving image
contrast. It could be adjusted by turning iris
diaphragm control lever③.
2. Brightfield illumination: open the baffle by
turning the baffle control knob ④
counter-clockwise. Inclusions should stand
out as dark objects against a bright
background. This method helps you see
curved striae or other low-relief or structural
inclusions.
3. Darkfield illumination: close the baffle by
turning the baffle control knob④clockwise,
the stone is illuminated with diffused light
from the sides. View the stone against the
baffle’s black, non-reflective background.
Inclusions stand out as bright objects.
Darkfield is the most frequently used
illumination in gemology.
This manual suits for next models
2
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