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.

BestScope International Limited

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

BestScope International Limited

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.

BestScope International Limited

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

BestScope International Limited

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

BestScope International Limited

BS-8060

2.2 Detailed Assembly Procedure

Fig. 2

Fig. 1

②

③

④

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.

BestScope International Limited

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

②

③

④

BestScope International Limited

托架

3.Adjustment and Operation BS-8060

3. 1 Adjusting Stand

Fig. 6

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

BestScope International Limited

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.

BestScope International Limited

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

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