
Introducing our state-of-the-art multifunctional composite microscope, meticulously engineered to unveil the intricate wonders of sample slides. Designed with precision to meet the demands of clinical doctors, science students from high schools to universities, as well as passionate hobbyists, this indispensable tool is perfect for those devoted to exploring the mesmerizing world of microscopy.
Enjoy unparalleled clarity with our professional Siedentopf binocular telescope lens, designed for a 360° rotatable experience, ideal for seamless collaboration. Equipped with interchangeable wide field 10X and 25X glass eyepieces, set at a comfortable 30-degree tilt, it minimizes neck strain while easily accommodating different pupil distances without losing focus, offering an unrivaled viewing experience.
Our sophisticated microscope features four DIN achromatic objectives, smartly installed in a rotating turret. This innovation provides a stunning range of six magnification levels: 40X, 100X, 250X, 400X, 1000X, and an extraordinary 2500X, catering comprehensively to all your diverse research needs.
Experience vivid illumination with bright LED bulbs, channeling light through a manually adjustable Abbe condenser to brilliantly illuminate sliding specimens from below. The expansive double-layer mechanical stage, designed with an advanced safety sliding bracket, offers an exceptional presentation viewing experience with easily adjustable brightness.
Engineered for both durability and portability, the integrated handle makes transporting this robust microscope a breeze, ensuring you can take your research wherever it needs to go.
Quality Assurance: Our microscope is the trusted choice among leading global manufacturers, educators, researchers, and clinical doctors, ensuring you receive unparalleled 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 lift the microscope from its packaging and place it on a stable, level surface to begin setting it up with ease. Gently remove the protective plastic coverings from the eyepiece holders situated on the microscope's head, then securely insert the eyepieces into their respective holders, ensuring readiness for use. Enhance your observational capabilities by placing the eyepiece adapter into the trinocular camera port on top of the microscope, enabling the addition of a third eyepiece or an eyepiece camera (sold separately) for an elevated viewing experience. Locate the power adapter, connect it seamlessly to the microscope, and plug it in. Activate the microscope by pressing the power button conveniently located on the rear of the base.
Using the microscope
Switch on the microscope and utilize the illumination intensity control wheel to initially set the lamp to the lowest brightness, ensuring optimal comfort during your viewing experience.
Secure a slide gently into the slide holder on the stage, ensuring it is firmly in place for a stable and precise observation. Use the X-Y translational control knobs on the stage's right side to meticulously maneuver the stage front to back, or adjust the slide holder left to right, perfectly centering the specimen directly over the bulb for crystal-clear viewing.
Adjust the binocular eyepieces by moving them closer together or further apart until a single, cohesive image appears when looking through them, providing a seamless visual experience. Fine-tune the bulb brightness to a comfortable level using the dimmer wheel, achieving optimal illumination for your viewing satisfaction.
Begin your exploration with the lowest power objective lens, starting with the 4X objective, ensuring it is precisely centered over the stage for an accurate starting point. Look through the eyepieces and gently bring the image into focus by rotating the larger coarse adjustment focus knob, drawing the stage closer to the objective for a clear view. As the image becomes clearer, switch to the blue fine adjustment focus knob to refine the clarity, revealing the intricate layers of the specimen under examination with precision. Further enhance image clarity using the diopter adjustment control located on the eyepiece holder, ensuring sharp and precise focus for detailed observations. Explore additional sections of the slide by utilizing the X-Y translational control knobs to reposition the slide holder after the specimen is in focus, broadening your examination scope.
Increase magnification by smoothly rotating the nosepiece clockwise to engage a higher magnification objective, taking care to avoid contact with the slide to prevent any damage, thus ensuring a safe and effective observation. To effortlessly align your objective without unnecessary contact with the slide, begin by utilizing the coarse focus knob to gently lower the stage. This creates a spacious environment that allows you to adjust the magnification freely and with precision.
Elevate your visualization experience by skillfully manipulating the focusing ring on the iris aperture diaphragm. This adjustment will let you fine-tune the image resolution to perfectly match your expectations, providing you with an unparalleled view. For the perfect illumination, adjust the condenser by delicately rotating the metal knob. This action will bring the condenser closer or farther from the stage, allowing you to achieve the exact lighting you desire for optimal viewing results.
Amplify the capabilities of the 100X objective by using the provided immersion oil. This application ensures you attain superior imaging results, transforming your observation experience. Effortlessly achieve precise control by gently rotating the nosepiece until the 100X objective lens is perfectly aligned with your specimen slide. This grants you the precision needed for meticulous examination. To enhance clarity and resolution, carefully apply a drop of the premium included immersion oil onto the cover slip. This step is crucial for achieving optimal viewing results and bringing your observations to life. With steady hands, gracefully rotate the 100X objective into position, making sure it seamlessly interacts with the immersion oil. This ensures enhanced visualization for an extraordinary level of detail. Exhibit your expertise by skillfully adjusting the focus, bringing your specimen into sharp, crystal-clear view. This action unveils the finest details, showcasing your proficiency in microscopy. (Important Note: After use, gently cleanse the immersion oil from both the objective lens and cover slip with lens paper moistened with a small amount of ethyl or isopropyl alcohol. Remember, immersion oil should never be applied to the 4X, 10X, or 40X objectives for optimal care.)
The innovative swing-in and swing-out filter holder is conveniently situated at the base of the Abbe condenser, offering unparalleled accessibility and ease of use. Efficiently swing the holder out and insert a 32mm diameter filter with precision, ensuring it's immaculate and free from dust, dirt, and fingerprints for a pristine imaging experience.
Warranty Information and Customer Support - Your Assurance of Peace of Mind
Crafted to Perfection: Our microscopes are meticulously engineered to conform to rigorous ISO 9001 standards, ensuring excellence and reliability. Comprehensive Warranties Overview: An Insight into Our Commitment to You
Unmatched Assurance: With an extensive five (5) year warranty, our microscopes are safeguarded against manufacturing defects, providing you with unparalleled security. Please note: This warranty excludes coverage for normal wear and tear, routine maintenance, add-on accessories, damage from unauthorized repairs, accidents, alterations, shipping mishaps, misuse, or abuse.
A one (1) year warranty secures the reliability of electrical and video components, ensuring they operate with the utmost dependability. Exclusions: Please be aware that light bulbs, batteries, fuses, and electrical cords are not covered under this warranty, maintaining clarity in our commitment.
All warranty coverage initiates from the original date of purchase, assuring you lasting peace of mind and confidence in our products. We are wholly committed to offering repair or
seamless replacement of warrantied parts at no cost, inclusive of labor, throughout the warranty period, for your convenience.
To validate warranty services, proof of original purchase is required, ensuring a smooth and efficient process. Buyers are kindly responsible for coordinating shipping to and from
our dedicated warehouse for all warranty services, ensuring efficient logistics and management. The warranty does not cover damages that occur
from typical wear and tear, any abuse, or unauthorized repairs - protect your investment with due diligence.
Disclaimer: Our unwavering commitment to excellence drives us to continuously enhance our products. These refinements may involve subtle mechanical and optical adjustments, so some descriptions, illustrations, and specifications in this manual may slightly differ from the microscope you receive.

Q1: How can I discover the ideal model tailored for my specific application needs?
Provide us with essential details, and we will create a bespoke solution perfectly aligned with your aspirations. Additionally, send us your specimen for a thorough proofing evaluation by our expert engineers, ensuring immaculate compatibility.
1) Kindly specify the precise product you envision. Detailed specifications will enable us to craft a tailored recommendation that meets your unique needs efficiently and effectively.
2) Can you detail your current production process? By understanding this, we can fine-tune our recommendations to precisely meet your operational needs, ensuring our solutions integrate seamlessly into your workflow.
3) We invite you to share your budget and anticipated delivery timeline. This information allows us to tailor our offerings to fulfill your exact needs and expectations, ensuring a smooth and satisfactory experience.
Q2: I've just received my Educational Microscope with Rotatable Binocular, but I'm not sure how to operate it. What steps should I follow next?
There's no need to worry! We provide an extensive instructional video and a detailed English manual to ensure easy installation and operation. Additionally, our expert English-speaking engineers are available online for any further assistance you might need. Enjoy localized support in countries like India, Malaysia, Korea, and Spain, with exciting plans on the horizon for global support expansion.
Q3: What actions should I take if my microscope experiences a problem?
You can have peace of mind with our product, thanks to a robust 36-month warranty. Should any components prove defective without any human-induced damage during this period, we will swiftly send you replacement parts. Additionally, we provide lifetime free online support. For any parts replacement needs, our process is designed to be straightforward, ensuring your microscope remains in perfect working order.