Why is the light not working on my National 130 Microscope?
If the light on your National Microscope isn't working, there are a few things you can check. First, make sure the microscope is plugged into a working outlet. If the outlet isn't working, have it repaired by a qualified service technician. Also, check that the AC power cord is properly connected. Finally, the lamp itself may have burned out and need replacement.
How to remove spots in the field of view of National 130 Microscope?
If you're seeing spots in the field of view of your National Microscope, it's likely due to dirty lenses or slides. Try cleaning the eyepiece or condenser lens first. If that doesn't solve the problem, clean the specimen slide.
What to do if the image does not remain in focus on National 130 Microscope?
If the image in your National Microscope doesn't stay focused, here are a few potential causes: * The stage might be dropping due to its own weight. Try adjusting the tension control. * The rack stop may not be set correctly, so adjust it. * The slide might be upside down; ensure the cover slip is facing up. * The cover slip could be too thick; use a 0.17mm thick cover slip (No.1 cover slip).
How to improve poor resolution (image not sharp) on National 130 Microscope?
If the resolution of your National Microscope image is poor, resulting in a blurry image, it might be due to dirty lenses or too much light. Try cleaning the objective lenses and the eyepiece lenses. Also, adjust the disc diaphragm to reduce the amount of light.
Lens closest to the eye; magnifies primary image. Dual head models have inclined and vertical eyepieces.
Focus adjustment for differences in vision between primary and secondary viewers on dual head models.
Revolving turret holding objective lenses for changing magnification by rotating into optical path.
Lens closest to the object; forms the first magnified image of the specimen.
Hold specimen slide in place on the stage. Compatible with optional mechanical stage.
Platform where the specimen slide is placed for viewing.
Fixed lens that condenses light rays to improve image resolution.
Rotating disc with apertures to control light for optimal resolution.
Controls maximum upward travel of stage to prevent damage to slides and objectives.
Coarse and fine knobs for adjusting stage height to bring the specimen into focus.
Provides light via a mirror or built-in electrical illuminator depending on the model.
Procedure for rotating the objective turret to switch between different magnification lenses.
Compensates for vision differences between primary and secondary viewers on dual head microscopes.
Guidance on mounting a video camera using available adaptors on vertical eyepiece tubes.
Instructions for cleaning lens surfaces without disassembly, using brushes, air, or specific solutions.
Adjusting rack stop, coarse focus tension, and cleaning metal parts.
Guidance for qualified technicians, primarily focusing on bulb replacement procedures.
General| Head | Monocular |
|---|---|
| Objective Lens | 4x, 10x, 40x |
| Eyepiece | 10x widefield |
| Illumination | LED |
| Focus | Coarse and Fine |
| Magnification | 40x, 400x |
| Focusing System | Coaxial coarse and fine focusing knobs |
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