Junior Medical Microscope BM – 4 (Ultra)
The Junior Medical Microscope BM–4 (Ultra) is a compact, high-performance microscope designed for students, laboratories, and educational purposes. It delivers clear, bright images with precision optics and smooth focusing. Its extra-wide field eyepiece, triplet nosepiece, and Abbe condenser ensure accurate observation of biological specimens. Lightweight yet durable, the BM–4 includes battery-operated LED illumination and optional natural light support, making it ideal for classrooms, labs, and field studies.
Technical Specification Table
| Specification | Details |
|---|---|
| Eye Piece | Extra wide field 10X, Ultra series design |
| Nosepiece | Triplet revolving nosepiece with click stops |
| Stage | High-quality stainless steel stage with slide clips |
| Focusing | Vertical movement of observation tube; coarse by rack-pinion, fine by screw lever mechanism |
| Condenser | Abbe condenser NA 1.25, iris diaphragm, swing-out filter holder, rack-pinion movement |
| Light Source | Battery-operated LED pin-type lamp; optional arc-reflector for natural light |
| Objective | Achromatic 10x and 40x |
| Packing | Styrofoam box or wooden cabinet with lock (on demand) |
| Accessories | Vinyl dust cover, 100 lens cleaning wipes, operating manual |
Key Features
• Extra-wide field 10X eyepiece for enhanced viewing
• Triplet revolving nosepiece with click stops for easy objective changes
• High-quality stainless steel stage with slide clips
• Coarse and fine focusing with vertical observation tube movement
• Rack-pinion coarse adjustment and screw-lever fine motion
• Abbe condenser NA 1.25 with iris diaphragm and swing-out filter holder
• Efficient optical system for optimum light utilization
• Battery-operated LED lamp with on/off switch
• Optional arc-reflector for using natural light
• Achromatic objectives 10x and 40x for clear magnification
• Protective vinyl dust cover, lens cleaning wipes, and operating manual included
• Compact and safe packing in styrofoam box or wooden cabinet (optional)
Working Principle
The BM–4 microscope directs light from the LED lamp or natural source through the condenser and onto the specimen. Light passes through the objectives, which magnify the image, and the eyepiece enlarges it for observation. Users adjust the focus using coarse and fine mechanisms while positioning the slide on the stage. The iris diaphragm and swing-out filter optimize illumination and contrast, producing sharp and clear images.
Use Cases
• School and college labs for biology and science teaching
• Research labs for basic cellular and tissue studies
• Fieldwork studies requiring battery-powered illumination
• Educational demonstrations in classrooms
• Student training and practical microscopy sessions
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