BestScope BS-3012 Series User manual

BS-3012 Series Stereo

Microscope

User Manual

BS-3012A BS-3012B

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 table for

future reference.

BestScope International Limited

Contents

1. Before use ...............................................................1

2. Nomenclature .........................................................2

3. Assemblage .........................................................3

4. Operation.................................................................4

5. Configuration chart ..................................................7

6. Technical parameter................................................8

7. Trouble shooting....................................................10

BestScope International Limited

1. Before use

1-1 Notice

1)Microscope ought to be place in a dry and clean place. Do not expose the microscope

in the sun directly. Avoid high temperature and violent vibration.

2)Microscope is a precision instrument, so handle with care, avoiding impact or abrupt

movement during transportation.

3)To keep the image clear, do not leave fingerprints or stains on the surfaces of the lens.

4)Never turn the left and right focusing knob in the adverse direction at the same time,

otherwise the microscope will be damaged.

1-2 Maintenance

1)All lenses must be kept clean. Fine dust on the surface of the lens should be blown

off with hand blower or wiped off gently with a soft lens tissue; Fingerprints or oil

marked on it should be wiped off with a tissue moistened with a small amount of a 3:7

mixture of alcohol and ether.

2)Never use the organic solution to clean the other surface (especially the plastic

surfaces). If necessary, please choose the neutral detergent.

3)Do not take the microscope apart for fearing that it is damaged.

4)After using, cover the microscope with the dust-cover provided and store it in a dry and

clean place free from moisture to prevent rust.

5)To keep the performance of the microscope, please check it periodically.

BestScope International Limited

2. Nomenclature

Eyepiece

Diopter adjust

ring

Handle

Focusing knob

Binocular Head

Objective

Incident illumination

Clip

Top light

brightness

adjustment knob

Glass stage

Bottom light brightness

adjustment knob

Stand

BestScope International Limited

3. Assemblage

Eyepiece shield

Eyepiece

Head

Illumination device

Illumination lock-screw

Head lock-screw

Bracket

Clip

Glass stage

Bracket lock-screw Base

BestScope International Limited

4. Operation

* The following figures may not be exactly the same as real product, just help you to

understand the microscope operations.

4-1 Use the glass stage

1) Press the glass stage on the sunken place then the other

side of the glass stage will be lifted.(Fig.1)

4-2 Adjust the tightness of the focusing arm

Fig. 1

1) If you want to adjust the tightness of the focusing arm,

you can hold one of the focusing knob and turn another

one to opposite direction to attain a suitable tightness. The

tightness relies on the direction to be turned. The

clockwise direction is tight, otherwise, is loose.(Fig.2 )

2) The suitable position of the tightness can make the

adjustment more comfortable and prevent the focusing

bracket from slipping down by its weight during the

observation. (Fig. 2)

4-3 Set the specimen slide

①

1) Set the specimen in the center of stage plate. If necessary,

clamp the slide with the clips.

2) Turn on the light.

4-4 Adjust diopter and focus

Fig. 3

1) Turn the focusing knob and observe the specimen through

the right eyepiece till the image of the specimen is clear.

2) Observe the specimen through the left eyepiece and

adjust the diopter adjustment ring ①till the image is

clear.(Fig. 3)

4-5 Adjust the interpupillary distance

Fig. 4 Adjust the prism housing along the arrow of the Fig.4 till

the observation is comfortable.

BestScope International Limited

4-6 Use eyepiece shields

1) For user who does not wear glasses, hold the diopter

adjusting ring to prevent them from rotating and turn the

eyepiece till the eyepiece shield fit the observer well.

2) For user who wears glasses, take the eyepiece shields

off before observation.

①

4-7 Install and remove the optional eyepiece

micrometer

③②1) Turn and remove the mounting ring ②from the

eyepiece.(Fig.5)

2) Clean the eyepiece micrometer ①, and mount it to the

mounting ring with the inscription side downward.

Fig. 5

3) Gently screw the mounting ring to hold the eyepiece

micrometer into the eyepiece till tightening ②securely.

①③4) To remove the eyepiece micrometer, screw down the

mounting ring and take out of the micrometer, and wrap

it in clean soft paper for storage.

②

4-8 Install the illumination device

Fig.6

1) Insert the illumination device①in the bracket with the

protrudent side toward the lock-screw②and tighten

the lock-screw.(Fig.6)

2) Put the plug into the socket of the pillar stand ③.

BestScope International Limited

4-9 Adjust the brightness of the bottom light

1) Turn the adjustable light knob according to the sign

marked on the base, along the clockwise the

brightness will be increased, otherwise it will be

weakened. (Fig.9)

Fig.7

4-10 Replace the lamps

1) Press the stage on the sunken place then the other

side will be lifted. (Fig.8)

2) Take the lamp out of the lamp socket.

3) Plug a new lamp into the lamp socket thoroughly.

4) Recover the stage plate.(Fig.8)

Fig.8

Note: ①Before replacing the lamps, turn off the power

first.

②Avoid violence while the lamp is plugged into

the lamp socket.

4-11 Replace the fuse

1) Screw the fuse tube out with a screwdriver and pull the

fuse out of the tube ①.

2) Remove the fuse and mount it in an adverse way.(Fig.

①

Fig. 9

BestScope International Limited

5. Configuration chart

5-1 BS-3012 Series Configuration

Configuration

Model

Parts

Specification

BS-3012A

BS-3012B

WF10X/20mm

●

WF15X/15mm

○

Eyepieces

WF20X/10mm

○

1X/W.D.100mm

○

2X/W.D.100mm

●

3X/W.D.100mm

○

Objectives

4X/W.D.100mm

●

0.5X, W.D.: 165mm

○

1.5X, W.D.: 45mm

○

Auxiliary Objective

2X, W.D.: 30mm

○

Viewing Head

Binocular Head, Inclined at 35°, 360° rotatable,

Interpupilary Distance 55-75mm

●

Focusing arm

76mm

●

Without illumination

●

Stand

With incident and transmitted LED illumination

●

Ring fluorescence

Light

8W, 110V/220V ring fluorescence light

○

Box

Inside foam, Outside carton

●

Note: “●” Standard outfit, “○” optional.

BestScope International Limited

6. Technical parameter

6-1 BS-3012 series optical parameter

Eyepiece

Eyepieces (option)

WF10X/20mm

WF15X/15mm

WF20X/10mm

Objective

Working

Distance

(mm)

Mag.

Objective

field

Mag.

Objecti

ve field

Mag.

Objective

field

10X

15X

20X

30X

7.5

40X

30X

6.7

45X

60X

3.3

100

40X

60X

3.75

80X

2.5

6-2 Auxiliary objective for BS-3012 series(Used to extend the

magnification)

Auxiliary objectives

Magnification

Working distance (mm)

0.5X

165

1.5X

Working distance is fixed regardless of the magnification factor.

Total mag.=Objective mag. X Eyepiece mag.X Auxiliary mag.

Eyepiece field

Diameter of field of view (mm)=

Objective mag. X Auxiliary objective mag.

Photo adapter mag.=Objective mag.X Auxiliary objective mag.X Photo eyepiece

mag.

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