
Unveil the world of microscopic wonders with our meticulously engineered multifunctional composite microscope. Designed to reveal the finest intricacies of sample slides, this exceptional tool is tailored to fulfill the aspirations of clinical doctors, enthusiastic science students from high schools and universities, and dedicated hobbyists who are passionate about the microscopic realm.
Immerse yourself in unparalleled clarity with the professional-grade Siedentopf binocular telescope lens, which offers full 360-degree rotation for effortless collaboration. Complemented by interchangeable wide-field 10X and 25X glass eyepieces, set at a comfortable 30-degree angle, it minimizes neck strain and effortlessly accommodates varying pupil distances, all while maintaining perfect focus.
Our microscope features a suite of four DIN achromatic objectives ingeniously placed in a rotating turret, offering an impressive range of six magnification levels: 40X, 100X, 250X, 400X, 1000X, and a breathtaking 2500X, designed to meet your diverse research needs with precision.
Illuminate your specimens with the vivid brilliance of bright LED bulbs, directed through a manually adjustable Abbe condenser. This setup vividly animates your slide specimens from below, while the expansive double-layer mechanical stage, equipped with an advanced safety sliding bracket, provides an exceptional viewing surface with customizable brightness for an optimized presentation experience.
Engineered for both durability and portability, this robust microscope comes with an integrated handle, facilitating its easy transport and ensuring convenience for users on the move.
Quality Assurance: Our microscope is the preferred choice for top-tier global manufacturers, educators, researchers, and clinical doctors, guaranteeing you the utmost standard of excellence and reliability.
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
Carefully remove the microscope from its packaging and position it on a stable, level surface to commence the straightforward setup process. Delicately remove the protective plastic covers from the eyepiece holders located on the microscope's head, and securely insert the eyepieces into their designated holders for optimal viewing. Enhance your observation capabilities by inserting the eyepiece adapter into the trinocular camera port positioned atop the microscope. This allows for integration of either a third eyepiece or an eyepiece camera (available separately), elevating your viewing experience. Locate the power adapter, connect it to the microscope, and plug it in. Activate the microscope by pressing the power button situated on the rear of the base, and prepare for an enlightening exploration.
Using the Microscope
Power on the microscope and adjust the illumination intensity control wheel, initially setting the lamp to its lowest brightness for optimal comfort and precision.
Secure a slide gently in the slide holder on the stage, ensuring it is properly positioned and stable for detailed observation. Utilize the X-Y translational control knobs located on the stage's right side to precisely maneuver the stage front to back, or adjust the slide holder side to side, centering the specimen perfectly over the light source for optimal clarity.
Customize the binocular eyepieces by adjusting them closer together or further apart until a single, unified image appears when looking through them, ensuring seamless vision. Adjust the bulb's brightness to a comfortable level using the dimmer wheel, ensuring ideal illumination for your observations.
Begin your exploration with the lowest power objective lens, starting at 4X, ensuring it is accurately centered over the stage for initial observations. Gaze through the eyepieces and gently bring the image into focus by rotating the large coarse adjustment focus knob, moving the stage nearer to the objective for clarity. With the initial image in view, transition to the blue fine adjustment focus knob to precisely sharpen the clarity, revealing intricate layers of the specimen under scrutiny. Further enhance image sharpness with the diopter adjustment control located on the eyepiece holder, ensuring the finest focus for detailed exploration. Discover additional sections of the slide by employing the X-Y translational control knobs to reposition the slide holder after achieving focus on the specimen.
Increase magnification smoothly by rotating the nosepiece clockwise to engage a higher magnification objective, ensuring careful handling to prevent contact with the slide, preserving its integrity. When aligning the objective lens, should you find it challenging to do so without contact with the slide, gently utilize the coarse focus knob to gracefully lower the stage, thus creating ample space. This adjustment will allow for smooth magnification transitions.
Enhance your viewing experience by skillfully manipulating the focusing ring on the iris aperture diaphragm. Tailor the image resolution precisely to your liking, ensuring every detail is captured with stunning clarity. For optimal illumination, deftly adjust the condenser. Rotate the metal knob manually to position the condenser closer or farther from the stage, achieving the perfect balance of light for your observations.
Unlock the full potential of the 100X objective lens by applying the accompanying immersion oil. Experience superior clarity and resolution that elevates your microscopy performance to new heights. With precision at your fingertips, gently rotate the nosepiece until the 100X objective lens is perfectly aligned near your specimen slide. This delicate control ensures impeccable focus and detail. Carefully apply a drop of the premium immersion oil provided onto the cover slip. This method will optimize clarity and resolution, delivering an unparalleled level of detail in your observations. With steady confidence, gradually rotate the 100X objective into its rightful place. Ensure it seamlessly interfaces with the immersion oil, yielding enhanced visualization and detailed insights. Masterfully adjust the focus to bring your specimen into sharp relief. With each skillful turn, unveil the intricate details that make your observations come alive. (Important Note: After use, delicately cleanse the immersion oil from both the objective lens and cover slip using lens paper moistened with a small amount of ethyl or isopropyl alcohol. Remember, the immersion oil is not intended for use with the 4X, 10X, or 40X objectives.)
Discover the convenience of our innovative swing-in and swing-out filter holder, thoughtfully located at the base of the Abbe condenser for effortless access and functionality. Effortlessly swing the holder outwards to precisely insert a 32mm diameter filter. Ensure the filter is pristine, free from dust, dirt, and fingerprints for immaculate imaging quality.
Warranty Information and Customer Support - Your Assurance of Reliability and Peace of Mind
Crafted to Perfection: Our microscopes are meticulously engineered to adhere to the stringent ISO 9001 standards, ensuring unparalleled quality and performance. Comprehensive Warranties Overview: A Commitment to Your Satisfaction and Security
Unmatched Assurance: Our microscopes are backed by an extensive five (5) year warranty, safeguarding against any manufacturing defects, offering peace of mind. Please note: This warranty does not cover normal wear, routine maintenance, add-on accessories, damage from unauthorized repairs, accidents, alterations, shipping mishaps, misuse, or abuse.
One (1) Year Warranty: Ensuring the reliability of electrical and video components with comprehensive protection and trust. Exclusions: Light bulbs, batteries, fuses, and electrical cords are not included under the warranty coverage.
All warranty coverage begins from the original date of purchase, ensuring lasting peace of mind and confidence in your investment. We are dedicated to offering repair or
seamless replacement of warrantied parts at no cost, inclusive of labor, throughout the warranty period, ensuring uninterrupted functionality.
To validate warranty services, proof of original purchase is required, reinforcing our commitment to quality assurance. Buyers are kindly responsible for coordinating shipping to and from
our dedicated warehouse for all warranty services, ensuring the swift and efficient processing of your claims. The warranty does not cover damages resulting
from typical wear and tear, any abuse, or unauthorized repairs, thus safeguarding your investment.
Disclaimer: Our unwavering dedication to excellence propels us to continuously refine our products. These refinements may encompass subtle mechanical and optical adjustments, resulting in minor variations in descriptions, illustrations, and specifications from the microscope you receive.

Q1: How can I discover the ideal model tailored for my specific application needs?
Provide us with critical specifications, and our experts will craft a bespoke solution perfectly aligned with your aspirations. For further assurance, you can send us your specimen for a comprehensive evaluation by our engineers, ensuring impeccable compatibility.
1) Kindly specify the exact product you envision. Detailed specifications will enable us to craft a tailored recommendation that impeccably meets your unique needs and preferences.
2) Could you kindly describe your current production process? Sharing these details will enable us to tailor our recommendations, thus better accommodating your operational needs and maximizing efficiency.
3) We invite you to share your budget constraints and delivery schedule with us. This information will empower us to fine-tune our proposals, aligning seamlessly with your specific expectations and strategic requirements.
Q2: I've received my Educational Microscope with Rotatable Binocular, but I'm unsure about its operation. What should I do next?
No worries, we've got you covered! Our detailed instructional video and comprehensive English manual make installation and operation a breeze. Should you have any further questions, our skilled English-speaking engineers are readily available for online assistance. Additionally, we provide localized support in select regions, including India, Malaysia, Korea, and Spain, with plans for further global outreach.
Q3: What steps should I take if my microscope encounters an issue?
Rest easy knowing that our product's outstanding quality is safeguarded by an extensive 36-month warranty. Should any components exhibit defects, free from human-induced damage, within this period, we will swiftly dispatch replacement parts to you. Beyond the warranty, benefit from our lifelong complimentary online support. For any additional parts replacement, our ordering process is straightforward, ensuring uninterrupted use and satisfaction.