OPTO-EDU A22.3670 Series User manual

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A22.3670 Series
Stereo Microscope
Instruction Manual
Please read this manual carefully before use microscope!

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1 Before use
1-1 OPERATION
1.1 The microscope should be set in dry and clean place. Do not expose in the sun directly and
avoid high temperature and violent vibration.
1.2 As the microscope is precision instruments, it should be taken carefully and avoid impact during
transportation.
1.3 To keep the image clearly, do not leave finger prints or stains on lens.
1.4 Do not adjust the right and left focusing knob to opposite direction simultaneity, otherwise it
will with trouble.
1-2 MAINTENANCE
1.1 All lenses should be kept cleanly. Use air or lens cloth to clear dust; Use cotton pledged with 3:7
ethanol and anther mixed to clear spot and fingerprint.
1.2 Never use organic solution to clean the surface of microscope, especially the plastic parts. If
necessary, please choose neutral detergent.
1.3 Do not disassemble or assemble the microscope yourself to avoid damaging the capability.
1.4 After using, put on dust cover to protect microscope and put in dry place to prevent rust.
1.5 Please inspect the microscope regularly to keep it well. ( You can ask for agency nearby)

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2 Nomenclature
2-1 A22.3670

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2-2 A22.3670

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3 Assemble
3-1 A22.3670

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3-1 A22.3670

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4 Operation
4-1Use glass stage (一) Take out from the sunken place.(Fig 1)
4-2Adjust tightness of focusing
1. Hold one knob and turn another to adjust. The clockwise direction is for
tight and counter-clockwise direction for loose. (Fig 2)
2. The suitable position of tightness can make the adjustment more
comfortable and prevent the focusing arm slipping down by its weight
during the observation.
4-3Set the specimen slides
1. Set the specimen on the center of stage plate. If necessary, clamp the
slide with the clips.
2. Turn on the light.
4-4Adjust diopter
1. Turn the zoom knob to the maximum magnification.
2. Turn diopter adjusting ring to “0”.
3. Look through the right eyepiece and adjust focusing arm to make image
clear.
4. Turn the zoom knob to minimum magnification.
5. Look through the right eyepiece and adjust the
6. Repeat above step3,4,5 till the image clear.
7. Turn the zoom knob to minimum and look through the left eyepiece and adjust the left diopter ring to
make the image clear. (Fig 3)
4-5Adjust interpupillary distance
Hold both eyepiece tube and slide as to comfortable position.
inscription side
screw in screw out
4-6 Use the eyepiece cap
For user who does not wear glasses, put the eyepiece cap on eyepiece.
For user who wear glasses, put the eyepiece cap on and turn it over. (Fig
5)

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4-7 Mount and remove the micrometer from eyepiece
Take off the mounting ring from eyepiece. (Fig6)
Clean the micrometer, then put it into the mounting ring and make the
inscription side up. (Fig 6)
Put the mounting ring into eyepiece gently.
To remove the micrometer, take off the mounting ring first. Then take out
the micrometer and wrap by clean paper.
4-8 Mount the illuminator
1. Insert the electronic line into the socket on the pole. (Fig 7)
4-9 Mount the photo device
Put the photo eyepiece into tri-tube.
Cover the photo tube on tri-tube and lock by thelock screw. (Fig 8)
4-10 Adjust of CTV
1. Adjust the CTV to a suitable position by rotating C-mount. (Fig 9) Note:
The adjustment range is 1~2mm in generally.
4-11 Adjust of brightness of bottom light
Turn the knob ①to adjustment brightness. Clockwise direction is for
bright and counter-clockwise for dark.. (Fig 10)
4-12 Replace the fuse
Use screwdriver to take off the fuse. (Fig 11）
Replace a new one and screw in.

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5 Specification
A22.3670-B1 Stereo Microscope Specification
Head
45°Binocular head, 360°Rotatable
Eyepiece
Wide Field, High-eye point Eyepiece-WF10X23mm
Objective
Turret Objective 1x2x or 1x3x or 2x/4x
Magnification Range
10x-120x
Working Distance
110mm
Stand
Pole Stand, No Light Source
Objective Optics Parameter
Magnification
Eyepiece
Working Distance
10X23
10X20
15X16
20X12
1X
10X23mm
10X20mm
15X16mm
20X12mm
110mm
2X
20X11.5mm
20X10mm
30X8mm
40X6mm
3X
30X7.7mm
30X6.7mm
45X5.3mm
60X4mm
4X
40X5.8mm
40X5mm
60X4mm
80X3mm

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6 Stands & Holder Arm

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7Technical parameter
7-1 Auxiliary Objective Parameter
Auxiliary objective
Magnification
Working distance (mm)
0.5
0.5X
177
1.5
1.5X
47
2
2X
35
★Working distance is fixed regardless of the magnification factor.
★Total mag.= Zoom mag. X Eyepiece mag. X Auxiliary objective mag View
field of eyepiece Field diameter（mm）= Objective mag. * auxiliary objective mag.
★Photo adaptor mag.= Zoom mag.(* Auxiliary objective mag.) * Photo eyepiece
mag
★TV adaptor mag.=Zoom mag.（* Auxiliary objective mag.）* C-mount TV
adaptor
7-2 Struture Parameter
Structure
Item
Item
Body
Objective
1X、3X
2X、4X
Working distance
110mm
Inclined
45º
Interpuppilary
Sliding, rang:54-75mm
Diopter
±5
Objective tube
M48 * 0.75
Eyepiece
View field
Φ23mm
Stand
Pole
Φ76mm
Focusing arm
Gear with steel ball, two focus knob with adjustment of
tightness, adjust range: 49mm
Glass stage
Φ100mm
Clip
On the base

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8Troubleshooting
The performance of the microscope can’t be made fully because of unfamiliar using, this table will
give some advices:
Trouble
Cause
Remedy
Interpupillary distance is not correct
Readjust it
1. Double image
Diopter is not correct
Readjust it
Different magnification of two eyepieces
Use the same eyepiece
2. dirt appears in the field
Dirt on specimen
Clean the specimen
of view
Dirt on surface of eyepiece
Clean the eyepiece
3. Image is not clear
Dirt on objective
Clean the objective
4. Image is not clear while
Diopter is not correct
Readjust it
the focus changing
Focus is not correct
Readjust it
5. Focus knob is not smooth
Focusing knob is too tight
Loose it
6. the focusing arm slipping down
during observation and make the
image not clear
Focusing arm is too loose
Tight it
7. Image is not clear on viedo view
during focus changing
The viedo focus is not correct
Readjust it
8. Eye tied easy
Diopter is not correct
Readjust it
Brightness is not suitable
Readjust it
9. Bulb does not work after the
swatch on
No power supply
Check the power supply
10. Bulb is burned out suddenly
Over voltage
Check the voltage
11. Brightness is not enough
Below voltage
Check the voltage
We Remain Right To Change Technical Data Without Notice Due To Upgrade.