
Discover the power of microscopic exploration with our versatile and advanced Professional Research Microscope, featuring an impressive 40X-2500X magnification. Perfectly tailored for clinical professionals, aspiring scientists from high school to university, and dedicated enthusiasts, this multifunctional instrument unveils the intricate details of sample slides with precision and clarity.
Experience seamless observation with our state-of-the-art professional Siedentopf binocular telescope lens. Fully rotatable and designed for synchronized use, it boasts interchangeable wide field 10X and 25X glass eyepieces. Ingeniously set at an ergonomic 30-degree tilt, this design minimizes neck strain while effortlessly accommodating various pupil distances, ensuring a focused and comfortable viewing experience.
Unlock a world of detail with our four expertly engineered DIN achromatic objectives, meticulously installed in a sleek rotating turret. Explore six versatile magnification levels: 40X, 100X, 250X, 400X, 1000X, and 2500X, perfect for a spectrum of scientific analyses.
Illuminate your observations with brilliance using our bright LED bulbs, transmitting light through a manually adjustable Abbe condenser. This setup ensures specimens are lit from below with customizable brightness. The double-layer mechanical stage, featuring a spacious surface area and a sophisticated safety sliding bracket, optimizes slide presentation for superior viewing.
Designed for convenience, the sturdy handle allows users to effortlessly carry this robust microscope, making it an ideal companion for on-the-go scientific exploration.
Quality Assurance: Our microscope is a hallmark of trust, endorsed by leading global microscope manufacturers, esteemed educators, dedicated researchers, and clinical doctors worldwide, reflecting its unparalleled reliability and performance.
Model |
SW350B |
Head |
360° rotatable binocular Siedentopf |
Inclination |
30° |
Eyepieces |
Wide-field 10X and 25X pairs |
Interpupillary distance |
48-75mm |
Diopter adjustment |
On left tube, +/-5dp |
Nosepiece |
Quadruple revolving |
Objectives |
Achromatic 4X, NA 0.1, working distance 37.5mm 10X, NA 0.25, working distance 7.35mm 40X(Spring), NA 0.65, working distance 0.29mm 100X (Spring, Oil), NA 1.25, working distance 0.18mm |
Magnifications |
40X, 100X, 250X, 400X, 1000X and 2500X |
Stage |
Double-layered mechanical stage with slide holder |
Stage size |
130mmx130mm |
Stage X-Y range |
70mmx30mm |
Upper limit stop |
Rack stop preset but adjustable |
Condenser |
NA 1.25 with iris diaphragm, swing-in and swing-out filter holder |
Focusing |
Coaxial coarse and fine focusing system |
Illumination |
Built-in 1W LED transmitted illumination with intensity control |
Power |
110-240V AC adapter (included) |




Assembly and set up
Begin your scientific journey by carefully removing the microscope from its packaging and positioning it securely on a sturdy, flat surface to ensure stability during use. Prepare for observation by removing the protective plastic covers from the eyepiece holders on the microscope's head. Proceed by placing the eyepieces securely into their designated holders. For enhanced flexibility, consider inserting the eyepiece adapter into the trinocular camera port atop the microscope at this stage. Opt to either add a third eyepiece or mount an eyepiece camera (not included) to expand your viewing possibilities. Locate the power adapter, connect it to the microscope, and plug it in. Activate the microscope by pressing the power button strategically located on the back of the base, signifying the commencement of your exploration.
Using the microscope
Activate your microscope and utilize the illumination intensity control wheel, setting the lamp to the lowest brightness for an optimal starting point in your examination.
Secure your specimen by clipping a slide into the slide holder on the stage, preparing it for detailed examination under the microscope's precise optics. Effortlessly adjust your specimen's position using the X-Y translational control knobs on the right side of the stage, allowing you to center it accurately over the bulb for optimal lighting.
Achieve a unified view through the binocular eyepieces by adjusting their distance, ensuring both eyes see a single, clear image for enhanced observational comfort. Fine-tune your lighting environment by adjusting the bulb brightness to a comfortable intensity using the intuitive dimmer wheel, tailoring it to your specific observational needs.
Commence your observations with the lowest power objective lens, the 4X objective, precisely centered over the stage, providing a broad overview of your specimen for initial analysis. Look through the eyepieces and gradually turn the larger coarse adjustment focus knob, bringing the stage closer to the objective lens and drawing the image into perfect focus. Once the initial image forms, smoothly transition to the blue fine adjustment focus knob. This allows you to refine the image, enhancing clarity or examining the specimen's various layers intimately. Further refine image clarity through the diopter adjustment control on the eyepiece holder, enabling you to achieve the sharpest possible view tailored to your vision. Explore different areas of your slide by skillfully maneuvering the slide holder with the X-Y translational control knobs, once your specimen is in sharp focus.
Elevate your observational detail by rotating the nosepiece clockwise to a higher magnification objective. Exercise caution to avoid contact between the objective and slide, safeguarding both components. If the objective lens risks touching the slide, use the coarse focus knob to gently lower the stage, creating space before changing the magnification for a seamless transition.
Enhance image resolution by adjusting the focusing ring on the iris aperture diaphragm, allowing for a clearer, more detailed view of your specimen. Manually adjust the condenser's position relative to the stage by utilizing the metal knob, optimizing the focus and clarity of light reaching your specimen.
For unparalleled clarity and resolution with the 100X objective lens, employ the included immersion oil, enhancing your microscopy experience to its fullest potential. Effortlessly rotate the nosepiece until the 100X objective lens is positioned closely to, yet not directly on, the specimen slide. Carefully place a drop of the provided immersion oil onto the cover slip, ensuring optimal clarity and precision during observation. Gently and gradually rotate the 100X objective into its exact position, allowing it to make contact with the immersion oil for enhanced viewing. Skillfully adjust the focus until the specimen emerges in clear, sharp detail, providing an unparalleled viewing experience. (Note: After each use, it's crucial to gently cleanse the oil from the objective lens and cover slip using lens paper lightly moistened with ethyl or isopropyl alcohol. Remember, do not apply immersion oil with the 4X, 10X, or 40X objectives.)
Discover the convenience of our swing-in and swing-out filter holder, strategically located at the base of the Abbe condenser for seamless filter integration. Easily swing out the holder and position a 32mm diameter filter into place, ensuring that no dust, dirt, or fingerprints compromise the quality of the filter and field lens.
Warranty Information and Customer Support: Your satisfaction is our priority, and we are here to assist you.
Our microscopes are engineered to surpass ISO 9001 standards, ensuring unmatched quality and precision. Our warranties provide peace of mind with the following coverage options:
Five (5) Year Warranty for Microscopes: Enjoy a five-year warranty against manufacturing defects, ensuring the longevity and reliability of your microscope. Note that the warranty excludes normal wear, routine maintenance, add-on accessories, and damage from unauthorized repairs, accidents, alterations, shipping, misuse, or abuse.
One (1) Year Warranty for Electrical and Video Components: Ensuring the proper function of your microscope's essential features. Please note that light bulbs, batteries, fuses, and electrical cords are not covered under this warranty.
All warranties commence from the original date of purchase, marking the start of your protection period. Our commitment includes the free repair or
replacement of warranted parts, covering both parts and labor, during the warranty duration.
Ensure to provide proof of original purchase to activate your warranty benefits. Buyers are responsible for the shipment to and from
our facility for any warranty-related services required. Keep in mind that the warranty does not extend to damages incurred
from normal wear and tear, misuse, or unauthorized repairs.
Disclaimer: We are devoted to continually enhancing our instruments based on customer insights. These advancements may result in slight modifications to the mechanical and optical features of our microscopes, meaning some manual descriptions, illustrations, and specifications might differ slightly from the microscope you receive.

Q1: How can I identify the ideal model for my specific application?
Simply share some key details with us, and we'll customize a solution tailored to your unique specifications. Furthermore, by submitting your specimen, our expert engineers will conduct a meticulous proofing evaluation, ensuring seamless compatibility and performance.
1) Please outline the exact product you have in mind. Detailed specifications will enable us to deliver a recommendation that perfectly aligns with your requirements.
2) Can you describe your current production process? This insight will help us refine our recommendations to better match your operational needs.
3) By providing your budget and desired delivery timeline, we can tailor our offerings to meet your precise expectations and demands.
Q2: I've just received my Educational Microscope with Rotatable Binocular, but I'm unsure how to operate it. What should I do next?
Rest easy, as we offer a comprehensive teaching video that covers both installation and operation, complemented by a detailed English manual. Should you have further inquiries, our proficient English-speaking engineers are available online to provide support. Additionally, we offer localized assistance in select countries such as India, Malaysia, Korea, and Spain, with exciting plans for future global expansion.
Q3: What steps should I take if my microscope encounters an issue?
Rest assured, the exceptional quality of our product is backed by a comprehensive 36-month warranty. During this period, if any components are found defective without human-induced damage, we will promptly send replacement parts to you. Beyond the warranty, we provide lifelong complimentary online support. For parts replacement, we facilitate a straightforward ordering process to ensure uninterrupted service.