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14

Optical

Problem

 Possible Cause

Vignetting or uneven brightness in the field of view or
field of view only partially visible

Lamp not installed properly

Condenser not mounted correctly

Condenser is set too low

Aperture diaphragm closed too far
Revolving nosepiece not clicked into position

Trinocular eyepiece tube optical path selector lever in
intermediate position

Filter not in placed in properly

Dust or dirt in the field of view

Aperture diaphragm closed too far

Condenser is set too low

Dust or dirt on specimen surface

Dust or dirt on field lens, filter, condenser or eyepiece

Poor image
(low contrast or resolution)

Condenser is set too low

Aperture diaphragm closed too far
No cover glass

Too thick or thin cover glass

Immersion oil not used on immersion procedure

Air bubbles in immersion oil

Specified immersion oil used not used

Immersion oil on dry objective

Greasy residue on eye lens

Incorrect illumination

Uneven focus

Specimen holder not fixed securely on stage
Specimen not secured in position

Specimen tilted on stage surface

Image tinged yellow

Lamp voltage is set too low

Blue filter is not being used

Focusing is not possible with high magnification objectives

Slide is upside down

Cover glass is too thick

High magnification objectives strike the specimen when
changing over from low to high magnification

Slide is upside down

Cover glass is too thick

Eyepiece diopter not adjusted

Insufficient parfocality of objectives

Eyepiece diopter not adjusted

7. Troubleshooting Table

As you use your microscope, you may occasionally experience 
a problem.
The troubleshooting table below contains the majority of fre-
quently encountered problems and the possible causes.

Содержание BA210 series

Страница 1: ...Instructions Manual English Motic Incorporation Ltd UL Listed Product E250223...

Страница 2: ...lies in its ability to accommodate modular accessories in the optical path and produce a flexible design Specimen Objective Tube lens Intermediate image Eyepiece Lens of eye Retina Optical System Usin...

Страница 3: ...eld of View Objective Magnification For example BA210 Eyepiece field of view 20mm Objective magnification 10X Microscope Terminology Diameter of the object field 20 10 2 0mm Diopter adjustment The adj...

Страница 4: ...rements of modern research techniques and testing methods This involves modification to the mechanical structure and optical design of our instruments Therefore all descriptions and illustrations in t...

Страница 5: ...Component 4 1 Coarse And Fine Focusing 4 2 Coarse Focus Torque Adjustment 4 3 Coarse Focus Height Stopper 4 4 Optical Path Change Over Slider 4 5 Interpupillary Distance Adjustment 4 6 Diopter Adjust...

Страница 6: ...iece lock screw Specimen holder Condenser focus knob Coarse focus torque adjustment ring Fine focus knob Coarse focus knob Interpupillary distance scale Field lens Stage X Axis travel knob Stage Y Axi...

Страница 7: ...ce tube Eyepiece tube Clamp Screw Power switch Brightness control knob Power input Fine focus knob Revolving nosepiece Condenser aperture scale Condenser position lock Condenser aperture lever Condens...

Страница 8: ...n order to prevent electric shock always turn the power switch on the power supply off before connecting the power cord Electrical Specifications a Halogen Input 90 240V 38W 50 60Hz Hologen Lamp 6V30W...

Страница 9: ...it board is located behind the back cover plate 3 Disconnect the LED connection cables from the power supply printed circuit board 4 Loosen LED board locating ring take away LED board locating ring 5...

Страница 10: ...s approximately four times greater As long as the lamp voltage is kept constant the halogen lamp maintains the same level of brightness and colour tem perature regardless of whether it is new or neari...

Страница 11: ...Turning the coarse and fine focus knobs further than their limit 4 2 Coarse Focus Torque Adjustment To increase the torque turn the torque adjustment ring located behind the left hand coarse focus kno...

Страница 12: ...and left field of view become one This adjustment will enable the user to observe the specimen with both eyes 4 6 Diopter Adjustment Diopter adjustment compensates for the differences in vision betwe...

Страница 13: ...the front of the objective The immersion oil supplied by Motic is synthetic non fluo rescing and non resining oil with a refractive index of 1 515 Normally cover glass must be used with oil immersion...

Страница 14: ...not used on immersion procedure Air bubbles in immersion oil Specified immersion oil used not used Immersion oil on dry objective Greasy residue on eye lens Incorrect illumination Uneven focus Specim...

Страница 15: ...ctors are not securely connected Lamp near end of service life Lamp not securely plugged into socket Problem Possible Cause No cohesion of binocular image Magnification or field of view of left and ri...

Страница 16: ...orm Store the objectives eyepieces and filters in a container or desiccator with drying agent Proper handling of the microscope will ensure years of trouble free service If repair become necessary ple...

Страница 17: ...Corts Cam del Mig 112 08349 Cabrera de Mar Barcelona Spain Tel 34 93 756 6286 Fax 34 93 756 6287 Motic Deutschland GmbH GERMANY Christian Kremp Strasse 11 D 35578 Wetzlar Germany Tel 49 6441 210 010...

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