What to do if the focusing knob won’t raise or lower the head on AmScope SM-4?
If the focusing knob won’t raise or lower the head in either direction on your AmScope Microscope, the focusing rack may have reached its maximum travel distance. If using a stand with a pillar, move the focusing rack higher or lower on the pillar.
General| Brand | AmScope |
|---|---|
| Model | SM-4 Series |
| Category | Microscope |
| Language | English |
Overview of the AmScope SM-4 series microscope and manual.
Important safety guidelines and handling instructions for the microscope.
Instructions for safely unpacking the microscope and checking components.
Step-by-step guide for assembling the microscope stand and body.
Instructions on how to place and position a specimen for viewing.
Detailed guide on coarse and fine focusing adjustments for clear image observation.
Procedures for connecting cameras to both binocular and trinocular microscope heads.
How to adjust the focus knobs for smooth and stable operation.
Guidelines for cleaning, care, and general upkeep of the microscope.
Key specifications including head type, eyepieces, objective, zoom, field of view, and stand.
Information on power requirements for lighting systems.
Details on diopter and interpupillary adjustments for eyetubes.
Specifications for the continuous zoom magnification power.
Various eyepiece options available for the microscope, with SKUs.
Different Barlow lens options (0.5X, 2.0X) for modifying magnification and working distance.
Digital cameras, calibration micrometer, and CCD television options for image capture.
Various microscope stand types including single arm, double arm, and specialized stands.
Different types of lighting accessories like LED and fiber optic illuminators.
Specialized condensers for darkfield microscopy, including models with iris.
Addresses problems like obstructions, unclear images, and dim fields of view.
Troubleshooting steps for mechanical problems like stiff focus knobs or stage movement.
Solutions for electrical problems such as flickering bulbs or the microscope not lighting up.
Compares compound and stereo microscopes and their suitability for different specimens.
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