BestScope BS-6030 User manual

Inverted Metallurgical
Microscope
Model: BS-6030
User Manual
This manual is written for Inverted Metallurgical Microscope BS-6030. To ensure the safety,
obtain optimum performance and to familiarize yourself fully with the microscope, it is
strongly recommended that you read this manual carefully before operating the microscope.

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Contents
User Notice
1 Component Name.......................................................................1
2 Assembly ....................................................................................2
2-1Assembly Diagram..................................................................2
2-2 Assembly Step.......................................................................3
3 Adjustment Set Diagram..............................................................8
4 Adjustment Procedures................................................................9
4-1 Microscope Body...................................................................9
4-2 Mechanical Stage ...............................................................10
4-3 Viewing Tube........................................................................11
4-4 Illumination Set....................................................................13
4-5 Adjusting of Differential Interference ...................................15
4-6 The operation of Micrometer ...............................................16
5 Microscope Video and Photography .........................................17
5-1 Microscope Video.................................................................17
5-2 Microscope Photography.....................................................18
5-3 Digital Camera ....................................................................18
6 Technical Specification...............................................................19
6-1 Major Technical Specification..............................................19
6-2 Eyepiece Parameter............................................................19
6-3 Subjective Parameter...........................................................19
6-4 Total Magnification ..............................................................20
7 Whole Set of Instrument ............................................................20
8 Trouble Shooting .......................................................................22

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User Notice
1. Safety Precautions
1.1 Microscope ought to be placed in a dry and clean place. Do not expose the
Microscope in the sun directly. Avoid high temperature or humidity, dust and easy
shaking environment. Make sure the stage is horizontal and firm enough. (Weight:
Main Body is 12 kg)
1.2 When moving the instrument, grip two sides of the bottom(1 and 2 point ) ofthe
microscope with your two hands.(see diagram ).
1.3 When the microscope is working, the lamp house(point 3) and nearby parts will be
very hot. Please ensure there is enough cooling space for them .
1.4 For safety, be sure the main switch is in “O”(off) position and cut off the power supply
before replacing the bulb or the fuse. If you replace the bulb during using or just after
using the microscope, allow the lamp bulb and the lamp house to cool completely before
touching.
★Halogen bulb: 12V/50W Halogen Lamp
1.5 Use the power wire correctly, Make sure the instrument is earthed, to avoid strike.
1.6 Use the exclusive electrical wire supplied by our company.
2. Maintenance and Care
2.1 The optical components should be wiped with the soft cloth gently. If cleaning the
contaminations like fingerprints and oil smudges, wiped with a piece of soft cloth which
moistened with a small amount of xylol or 3:7 mixture of natalite.
★(Note that the alcohol and ether are highly flammable, do keep them away from the fire or
potential sources of electrical sparks, use them in a drafty room as possible as you can.)
2.2 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.
2.3 Cut off the electrical power supply immediately and wipe up the wet microscope when
it was splashed by the liquid.
2.4 Do not disassemble any parts of the microscope, as this will affect the function or
reduce the performance of the microscope.
2.5 After using the microscope, remember to cover it with dust cover. Do wait for the lamp
house cooling completely before cover.
3. Safety Symbols
Symbol Explanation
Indicates that the surface becomes hot, and should not be touched with bare hands
Before use, carefully read the user manual. Improper use could result in personal
injury to the user and/or damage to the equipment.
Indicates that the main switch is ON.
OIndicates that the main switch is OFF.

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1. Component Name
Fine Focus Knob
Camera Port
Lam
p
House Stage Center Plate Mechanical Stage
E
y
e
p
iece
Viewing Head
Objective Quintuple Nosepiece
Trinocular head
Main Switch
Coarse Focus Knob
Microscope Body

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2. Assembly
2-1 Assembly Diagram
The diagram shows the sequence of the assembly, the number in
the chart indicate the assembly step.
★Before assembly please be sure all parts are free of dust and
contamination. No scratch on any parts or the surface of the glass.
★Keep the hexagonal wrench we supplied, in case it might be used in the
future .
Chart 2

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2-2 Assembly Procedure
2-2-1 Installing and Replacing the Bulb (Chart 3)
★Please use the specified halogen Lamp (12V/50W) which supplied
by our company.
1. Bulb replacement during use or just after use. The bulb, the lamp house and nearby parts
will be very hot. Please set the main switch to “O” (off), disconnect the power plug,
and make sure the bulb, the lamp house and periphery are all cool. Then, you can
do your replacing.
2. Tightly hold the bulb ①with a piece of gauze or other protection materials,
insert the bulb ②pins plug straight and fully into the pin holes ④on the lamp
house.
★Please insert the bulb to the lamp house very gently, or it will be damaged by
excessive extrusion.
★Do not touch the halogen bulb with bare hands. It will shorten the
service life or cause it to burst. If you leave fingerprints on the
surface carelessly, clean it with a piece of dry soft cloth.
Chart3 Chart4
2-2-2 Install the Lamp Holder (chart 4)
Make the plug 2 and the socket 3 in alignment, same as the plug pin1 and socket
4, And then push the lamp holder into lamp unit gently until its in place.

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2-2-3 Installing the objective(Chart 5 & 6)
1. Turning the coarse focusing knob①as the figure shows till the nosepiece
gets to its lower limit.
★For ensuring the safety of the instrument during transportation, the nosepiece
is located in the lowest position and the tension adjustment collar②is adjusted to
an appropriate tension while leaving the factory.
2. Screw the lowest magnification objective on to the nosepiece from the
nearside, then turn the nosepiece clockwise, mount other objectives
according the magnification sequence from low to high. Mounting
objective in this way will make it easier to change magnification.
★The objectives can also be mounted through the opening on the stage.
★Clean the objectives periodically, for the objectives used in the inverted
microscope are susceptible to dust. Do not forget to use the dust cover when
you do not use it.
★Do cover all the unused holes 1 on the nosepiece with dust caps, to prevent
the dirt and dust from coming inside(chart 6).
★When operating, use the low magnification objective (5X or 10X)
to search and
focus the specimen at first, then change to the higher magnification objectives
if necessary.
★When replacing the objective, turn the nosepiece slowly until you hear
“clicked”, that means the objective enters into the right position-centerofthe
light path.
Chart 5 Chart 6

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2-2-4 Mounting Auxiliary Stage (Chart 7)
★Attached 3 kinds of auxiliary stage for your option (chart 1)
When use the auxiliary stage 2, firstly, set the stage clips 1 aside,
Gently place the auxiliary stage 2 into the movement stage 3. The both
side of the water drop should be placed in the horizontal direction when
choose the water drop shape auxiliary stage. No strict requirement for
other optional auxiliary stage.
Chart7 Chart 8
2-2-5 Installing the Eyepiece (chart 8)
1. Remove the cap of the eyepiece tube.
2. Insert the eyepiece into eyepiece tube until they are against each other.
3. Screwing down point 3(see chart 8) with attached socket head wrench
gentle to assure the eyepiece make diopter adjustment.
2-2-6 Mounting Filters and Polarizer (chart 9)
Insert the polarizer into the bottom of the vertical lighting slot 2 just as the
chart shown, When fail to move on any more, indicate that the polarizer is in
the right place and into the light center.

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2-2-7 Mounting differential interference accessories (chart 9)
Insert the micrometer accessories3 into dovetail groove4 and push to the
bottom, When fail to move on any more, indicate that the micrometer
is in the right place and into the light source.
Chart 9 Chart 10
2-2-8 Connecting the Power Cord (chart 10,11&12)
★The cable and cords are vulnerable when bent or twisted, never
subject the power cord to excessive force.
1. Set the main switch1 to “O” (off) position before connecting the power cord.
(chart 9)
2. Insert one side of the plugs2 into the power jack3 of the microscope safely.
(chart 11)
3. Insert the other side of Plug2 into the power jack6 safely. (chart 11)
4.Insert the power cord4 into the power supply receptacle 5. Make sure the
connection is well.
★Do use the supplied power cord all the time. If lost or damaged,
please select the same standard cord.
★Connect the power cord correctly, to ensure the instrument is grounded.
2

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2-2-9 Replacing the Fuse (chart 10,11&12)
Do remember to set the main switch①to the state of “O” (OFF) and unplug
the power cord before replacing the fuse(chart 12). Rotate the fuse3 kits out
of the holder with the “--”type screwdriver, replace with a new fuse, then
rotate it back to the holder again.
★Fuse rating: 250V, 2A.
Chart 12
Chart 11

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3. Adjustment Set Diagram
Filament control screw
Diaphragm
lever
Diaphragm
central adjustable
lever
Polarized draw bar Bright&Dark draw bar
Chart13
Optical Path switch
knob
Coarse and fine focusing
tension knob
Coarse focusing
knob
Fine focusing knob
Chart 14

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4. Adjustment
4-1 Microscope Base
4-1-1 Turning On the Lamp (chart 15)
Connect the power supply, then set the main switch①(shown in chart15) on
the left side of the base to “ － ”(on).
4-1-2 Adjusting the brightness (chart 15)
Turning the brightness adjustment knob2 clockwise, the voltage raises, and the
brightness is strengthen; whereas turning at the converse direction, the
voltage declines, and the brightness is weaken.
★Usin
g
the lam
p
in a low volta
g
e condition, will
p
rolon
g
the service life.
Chart 15 Chart 16
4-1-3 Adjusting the Tension Adjustment Collar (chart 16)
★Operating the coarse tension adjustment collar1 can adjust the
tightness of coarse focusing knob2 effectively.
1. How to adjust the tension of the coarse focusing knob.
Turn the tension adjustment collar ①. while revolving at the direction of the
counter-clockwise, the tension of the coarse focusing knob②is increasing; and
if at the contrary direction, the tension will decline.
2. If the nosepiece descends on its own, or the specimen gets out of focus
soon even you focus with the fine focus knob③, It means the coarse focusing
knob is too loose. You should screw the tension adjustment collar down to
increase the tension.

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4-2 Mechanical Stage
4-2-1 Placing and Moving the Specimen (chart 17&18)
1. Place the specimen in the center of the auxiliary stage. (polished
surface of specimen should face down on the stage)
★Before place the specimen on the stage, choose the proper stage
according to the size of the specimen.
2. The s
p
ecimen can be moved to desired
p
osition b
y
turnin
g
the X-axis
knob①and Y- a x is k no b ②(movement: 40mmx40mm). The knob of rotating
mechanical stage can move X-axis when adjust the knob1, and move Y-axis
when adjust knob 2. Meanwhile both X and Y direction have scale value, in
this case, can show the distance of the movement, and the minimum
indicating accuracy is 0.1mm.

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Scale
value
Chart 17
Chart 18
Scale value
4-3 Binocular Viewing Head
4-3-1 Adjusting the Diopter
1. Looking through the right ocular with your right eye with the 10X
objective, revolve the coarse and fine focusing adjustment knob to focus on
the specimen.
2. Then turn to use the 5X objective to observe the specimen, if can not
focus, then adjust the diopter of the left and right eyepiece, so that can
focus successful.
3. Repeat step 1 and 2, until both eyes could see the clear image of the
specimen at the same time.

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Left and right
Prise table
Chart 19 Chart 20
4-3-2 Adjusting the Interpupillary Distance (chart 10/20)
When observing with two eyes, hold on the left and right prism
holders, turn them around the axis to adjust the interpupillary distance
until the left and right fields of view coincide completely.
The scale on the interpupillary distance indicator, pointed by the dot “.”
on the eyepiece holder, shows the interpupillary distance.
★The range of the interpupillary distance: 55
～ 75mm.
4-3-3 Switching the Light Path (chart 21)
★Apply to digital cameras with C-mount or DSLR digital cameras.
Slide the light path selector up and down knob with your thumb to select the
light path you need.
For the binocular observation, push in the lever until you hear “clicked”.
While for video or photography of up tube1, turn the up lever to PHO until it
reaches the “clicked” position. While for use of video or photography down
tube2, turn the down knob to PHO until it reaches the “clicked’ position.

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U
p
knob
Down knob
Chart 21
Light Path Selecting Lever Brightness Proportion Appliecation
Up and down knob push in 100% used for binocular
observation Dark field observation
Up knob in PHO
80% used for binocular
observation, and 20% used
for video or photography
Bright specimen observation and
television \micrography \ video C-
mount camera
Down knob in PHO 100% used for video and
photography Micrography or digital camera
4-4 Adjusting the Illumination Set
4-4-1 Filament Adjusting (chart 22)
1. Turn the objective into the nosepiece, and also switching it to the light source.
Rotate the case1, and adjust the direction of the light to the visible position.
2. Open the light source, switch the screw4 of the lamp house, in this case,
can see the image of the filament in the whole central diaphragm in the
objective 1.
3. Switching the objective at random, and place the specimen, screw down
and take off of the screw4, observe on eyepiece, until the brightness
of the whole diaphragm become uniform, and then screw down the screw3.

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Chart
22
4-4-2 The usage of filter
1. Choose the proper filter according to the specimen will make the
observation and picture capture more effectively.
Color Filter Function
Green Solid color contrast
Ground glass Remove filament image, make brightness uniform
Blue Solid color contrast
Gray Weaken the light intensity when color temperature stable
Yellow Solid color contrast
When revolving the turnplate 2, heard of the ‘clicked” that means some kind
of color of the filter into the light source, and the color will show in the outside
of the round turnplate. No color means no filter into the light source .
4-4-3 Adjusting Aperture Diaphragm (chart 23)
The aperture diaphragm will affect the the numerical aperture of the
illumination system when observe. Only if the NA of the light system match
the NA of the objective, that could result in obtain the better image resolution
and contrast, also extend the depth of field .
1. Push the lever1 could adjust the aperture diaphragm to the right position
required.
2. Adjusting the central of aperture diaphragm, need to remove the eyepiece
firstly, through the viewing head observe with 50X objective, and pull the
lever1 at the same time, then could find the light flash of the filed of view.
Deduce the center from the flash aperture and the edge of the diaphragm.

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Then adjust the screw2 by S2 internal hexagonal wrench. Until find that the
field diaphragm and aperture diaphragm become the same, match together
completely. (The filed diaphragm must be adjust to the center )
Chart 23
4-4-4 Adjusting the field diaphragm (chart 23)
1. Adjusting the field diaphragm lever(both sides), through the eyepiece
observe, adjust the field diaphragm to the center. If more precise positionof
the center needed, firstly adjust the field diaphragm to the proper position,
secondly, measure the precise position of that by 10X cross eyepiece graticule,
then adjust the filed diaphragm to the center by push the lever4.
2. Push the lever 3 can result in adjusting the field diagram to the proper
position required .
4-4-5 Select the mode of Illumination and operation(chart 24)
1. Bright field vertical illumination
a. Adjust the aperture diaphragm to the optical path with the proper
position (Have been well adjusted in the factory, if any change needed,
please operate it as the way of 4-4-3 shows)
b. Adjust the vertical illumination to the bright field observation. Do operate
as the chart24 shows that the lever2 placed in the OUT position while the
lever1 placed in the BF position.
★Be note that: Make the lever2 in the OUT position should be priority to
adjust the lever1 in the BF position.

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c. Observing the image and adjusting the aperture diaphragm to the proper
position, could see the clear and plan image under the circumstance of the bright
filed. Also can show the real structure and form of the specimen.
Chart 24
2. Dark filed vertical illumination
In order to confirm the limit of the crystal grain and the small impurities, their
factor of reflections close to the factor of the major thing's, therefore, adopt to
use dark field observation.
A. Open the aperture diaphragm to the maximum position
B. Open the filed diaphragm to the maximum position
C. Adjusting the vertical illumination to the dark field to observe. As
the chart24 shows the lever2 placed in the OUT position, the lever1 placed in
the DF position.
★Be note that: Make the lever2 in the OUT position should be priority to
adjust the lever1 in the BF position.
★The mentioned instrument (BS-6030 microscope) could work under both
dark and bright field condition, thus, no need to change the objective when
observe under dark field.
3. Polarized Light
Put the lever1 into the BF position as chart24 shows while the lever2 in the IN
position. Insert the polarizer3 into the vertical illumination slot, revolving the
polarizer knob3, when the field diaphragm turn to the maximum darkness
(polarizer knob scale o°or 180°) that means have been orthogonality already.
(the polarizer3 only use under the polarize and differential interference
condition) .
4-5 Adjusting the differential interference (chart 25)

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To ensure the vertical illumination worked in the polarize orthogonal condition,
insert the differential interference parts into the dove-tail slot of up and down of
the main body, rotating the differential interference abeam knob1, could observe
the various color change. Rotating the up and down knob2, when some kind of
color is full of the whole a field, then make observation.( chart 25)
Chart 25
★The differential interference including 3 kinds of fishplate bar, the
marking fishplate bar should be used in it's own objective magnification
accordingly.
4-6 Usage of the 0.01 mm objective micrometer
Be sure the right magnification of each objective before measure the specimen.
Put the micrometer of the objective on the mechanical stage with the scale ruler face down
to the stage.
Put the 10X eyepiece into the right eyepiece tube of the binocular head, readthescalein
the eyepiece, if the image is not clear, then rotating the diopter collar until reach to the
clear scale.
Make the scale of objective micrometer focus on the plane of the eyepiece scale correctly,
revolving the eyepiece make the both scale parallel, and move the stage, make one
end of the scale aligning then read the other certain end scale of the eyepiece which is
according to the objective scale. Make sure how many grid of the objective micrometer is
occupied on the certain scale of the eyepiece.
Actual measurement formula of objective
magnification : E=A/TL=A/0.01L=100A/L
Definition :
E-------actual measure of objective magnification
A-------the grid of eyepiece scale
L-------the gird of objective micrometer (the grid of eyepiece scale with the
reticle grid of objective micrometer accordingly)