
Unleash the full potential of your scientific exploration with our versatile composite microscope, meticulously crafted to unveil the minute intricacies of samples. Tailored to perfection for clinical practitioners, ambitious science students, and passionate hobbyists alike, this indispensable tool is designed to ignite your curiosity and elevate your journey into the microscopic world.
Immerse yourself in an unparalleled viewing experience with our professional Siedentopf binocular telescope lens, fully rotatable to facilitate seamless collaboration. Paired with interchangeable wide field 10X and 25X glass eyepieces, set at a convenient 30-degree angle, it promises minimal neck strain and effortlessly accommodates varying pupil distances while maintaining perfect focus.
Our state-of-the-art microscope is equipped with four DIN achromatic objectives ingeniously housed in a rotating turret, offering a comprehensive sextet of magnification levels: 40X, 100X, 250X, 400X, 1000X, and an astonishing 2500X, precisely catering to all your research aspirations.
Embrace the brilliance of bright LED illumination, channeled through a manually adjustable Abbe condenser to vividly animate sliding specimens from below. The double-layer mechanical stage, with its generous surface and advanced safety sliding bracket, delivers an optimized viewing experience with customizable brightness settings.
Engineered for robustness and transportability, the integrated handle ensures effortless portability of this durable microscope, making it an ideal companion for on-the-go research.
Quality Assurance: Our microscope stands as a testament to superior craftsmanship, trusted by leading global manufacturers, educators, researchers, and clinical practitioners, guaranteeing the pinnacle of excellence in every unit delivered.
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 setup by gently lifting the microscope from its packaging and positioning it on a stable, level surface, ready for exploration. Carefully detach the protective plastic covers from the eyepiece holders atop the microscope's head, then securely insert the eyepieces into their designated holders, ready for use. Enhance your observational prowess by inserting the eyepiece adapter into the trinocular camera port atop the microscope, opening possibilities for a third eyepiece or an eyepiece camera (sold separately), taking your exploration to the next level. Secure the power adapter, connect it to the microscope, and plug it in. Activate the microscope by pressing the power button located at the rear of the base, bringing your device to life.
Using the microscope
Turn on the microscope and utilize the illumination intensity control wheel to set the lamp to its lowest brightness initially, ensuring optimal comfort during your observations.
Carefully secure a slide within the slide holder on the stage, ensuring it is firmly anchored for precise and stable observation. Employ the X-Y translational control knobs on the stage's right side to precisely maneuver the stage front-to-back or adjust the slide holder left-to-right, ensuring the specimen is perfectly centered over the light source for crystal-clear viewing.
Adjust the binocular eyepieces by positioning them closer together or further apart until a single, cohesive image is achieved, offering a comfortable and clear view. Fine-tune the bulb's brightness to a comfortable level utilizing the dimmer wheel, achieving optimal illumination for a superior viewing experience.
Commence your observation with the lowest power objective lens, beginning with the 4X objective, ensuring it is accurately aligned and centered over the stage. Peer through the eyepieces and gently bring the image into focus by turning the larger coarse adjustment focus knob, delicately drawing the stage closer to the objective lens. As the image comes into view, transition to the blue fine adjustment focus knob for precise clarity enhancement, meticulously revealing the intricate layers of your specimen. Further refine image clarity by making use of the diopter adjustment control on the eyepiece holder, ensuring the sharpest focus possible. Explore additional sections of the slide by utilizing the X-Y translational control knobs, repositioning the slide holder after achieving focus on a specimen, expanding your examination scope.
Elevate your magnification experience by smoothly rotating the nosepiece clockwise to engage a higher magnification objective, carefully avoiding contact with the slide to prevent any damage. To elegantly align the objective without contact on the slide, first use the coarse focus knob to gently lower the stage. This action creates generous space for a seamless magnification adjustment.
Effortlessly manipulate the focusing ring on the iris aperture diaphragm to fine-tune the image resolution, perfectly tailored to your visual preference. Achieve your desired illumination by precisely adjusting the condenser. Simply rotate the metal knob to move it closer or further from the stage, optimizing light for your specimen.
Elevate the performance of the 100X objective by delicately applying the included immersion oil, assuring superior optical results. Gently and with precision, rotate the nosepiece until the 100X objective lens is perfectly poised near your specimen slide, offering precise control with just a touch. For unrivaled clarity and resolution, carefully apply a drop of the premium immersion oil onto the cover slip, optimizing every detail. With a steady hand, gracefully rotate the 100X objective into place, ensuring it seamlessly meets the immersion oil, enhancing your visualization experience. Skillfully adjust the focus to bring your specimen into breathtaking clarity, unveiling even the finest details with unmatched precision. (Important Note: After use, gently and thoroughly cleanse the immersion oil from both the objective lens and cover slip. Use lens paper moistened with ethyl or isopropyl alcohol. Remember, the immersion oil is exclusively for the 100X objective; never utilize it with the 4X, 10X, or 40X objectives.)
Ingeniously designed, the innovative swing-in and swing-out filter holder is conveniently situated at the base of the Abbe condenser, ready for easy access. Swing the holder outward and delicately insert a 32mm diameter filter, ensuring it is immaculate-free from dust, dirt, and fingerprints-to achieve pristine imaging results.
Warranty Information and Customer Support: Your Peace of Mind Assured
Crafted to Perfection: Our microscopes are meticulously engineered to comply with the rigorous ISO 9001 standards, ensuring unparalleled quality. Comprehensive Warranties Overview: Your Complete Assurance
Experience Unmatched Assurance: Our microscopes include an extensive five (5) year warranty, providing robust protection against any manufacturing defects. Please Note: The warranty excludes coverage for normal wear and tear, routine maintenance, add-on accessories, unauthorized repairs, accidents, alterations, shipping mishaps, misuse, or abuse.
Our One (1) Year Warranty ensures reliable protection for all electrical and video components, offering peace of mind. Exclusions: Items such as light bulbs, batteries, fuses, and electrical cords are not included in this warranty coverage.
All warranty coverage begins from the original purchase date, ensuring a continuity of peace of mind. We are passionately committed to offering seamless repair or
effortless replacement of warrantied parts at no cost, including labor, throughout the warranty period.
To validate warranty services, please provide proof of original purchase. Buyers are kindly requested to coordinate shipping to and from
our dedicated warehouse for all warranty-related services, ensuring smooth transactions. Please be advised: The warranty does not cover damages resulting
from typical wear and tear, any form of abuse, or unauthorized repairs-safeguard your valuable investment.
Disclaimer: Driven by our commitment to excellence, we continuously refine our products. These enhancements may involve subtle mechanical and optical adjustments, leading to minor variations from manual descriptions.

Q1: How can I discover the ideal model tailored for my specific application needs?
Share key details with us, and we will tailor a bespoke solution to perfectly align with your aspirations. Additionally, send us your specimen for an in-depth proofing evaluation by our expert engineers, ensuring impeccable compatibility.
1) Kindly specify the precise product you envision. Detailed specifications will empower us to craft a tailored recommendation that meets your unique needs with precision.
2) What is your current production process? Sharing this will aid us in refining our suggestions to effectively cater to your operational needs.
3) Kindly share your budget and delivery timeline with us. This will enable us to tailor our offerings precisely to meet your expectations and specific needs.
Q2: I've received my Educational Microscope with Rotatable Binocular, but I'm unsure about its operation. What should I do next?
No worries at all! We provide a detailed instructional video and a straightforward English manual to ensure an effortless installation and operation experience. Should you have any questions, our team of skilled English-speaking engineers is available online to assist you. Additionally, we offer localized support in select countries such as India, Malaysia, Korea, and Spain, with exciting plans to expand globally.
Q3: What steps should I take if my microscope encounters an issue?
Rest assured, the remarkable quality of our product is supported by an extensive 36-month warranty. During this period, if any components are found to be defective, provided there is no human-induced damage, we will promptly dispatch replacement parts to you. After the warranty period, we continue to offer lifelong complimentary online support. For component replacements, we have streamlined the ordering process to ensure you experience uninterrupted service.