
Unveil the wonders of the unseen with our exceptional multifunctional composite microscope. Carefully engineered to reveal the smallest details on your sample slides, this innovative device is ideal for clinical professionals, aspiring science students at both high school and university levels, and passionate hobbyists alike. Dive into the mesmerizing world of microscopic exploration with this indispensable tool, crafted for those who are captivated by the hidden realms of science.
Immerse yourself in extraordinary clarity with the professional Siedentopf binocular telescope lens, meticulously designed for full rotational flexibility to foster seamless teamwork. Featuring interchangeable wide field 10X and 25X glass eyepieces, set at a comfort-inducing 30-degree tilt, it minimizes neck discomfort, while effortlessly accommodating various pupil distances and conserving focus, ensuring a superior user experience.
Our cutting-edge microscope is equipped with four precision-engineered DIN achromatic objectives, skillfully mounted on a versatile rotating turret. This configuration offers a spectrum of six magnification levels: 40X, 100X, 250X, 400X, 1000X, and an astounding 2500X, fulfilling all your intricate research requirements with ease.
Illuminate your scientific discoveries with the brilliance of bright LED bulbs, directing light through a manually adjustable Abbe condenser to vividly enliven your slide specimens from beneath. The expansive double-layer mechanical stage, complete with an advanced safety sliding bracket and adjustable brightness, ensures a seamless and optimized viewing experience, showcasing your specimens in the best possible light.
Crafted with enduring strength and ease of transport in mind, this robust microscope features an integrated handle for swift, hassle-free mobility, embodying both durability and convenience.
Quality Assurance: Entrusted by leading global manufacturers, educators, researchers, and clinical doctors, our microscope upholds an impeccable standard of excellence, providing you with a reliable and superior tool for all your scientific endeavors.
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
Gently lift this precision instrument from its packaging and position it on a stable, level surface to begin your setup journey, setting the stage for your exploration. Carefully remove the protective plastic covers from the eyepiece holders on the microscope's head. Then, securely insert the eyepieces into their respective holders, readying the microscope for use. Enhance your observation capabilities by inserting the eyepiece adapter into the trinocular camera port at the top of the microscope, allowing for the addition of either a third eyepiece or an eyepiece camera (sold separately), for a customized viewing experience. Locate the power adapter, connect it to the microscope, and plug it in. Turn on the microscope by pressing the power button located at the rear of the base, igniting your scientific adventure.
Using the microscope
Switch on the microscope and utilize the illumination intensity control wheel to initially adjust the lamp to the lowest brightness setting, ensuring optimal visual comfort and ease of adjustment.
Securely place a slide into the slide holder on the stage, ensuring it is fixed firmly and ready for precise observation. Employ the X-Y translational control knobs on the stage's right side to carefully maneuver the stage front to back, or adjust the slide holder left to right, centering the specimen over the bulb for precise viewing.
Adjust the binocular eyepieces by moving them closer together or further apart until a single, clear image comes into view, providing a cohesive visual experience. Fine-tune the bulb brightness using the dimmer wheel to achieve optimal illumination, tailored to your viewing comfort.
Begin your observation journey with the lowest power objective lens, starting with the 4X objective, ensuring it is perfectly centered over the stage for initial exploration. Look through the eyepieces and gently bring the image into focus by turning the larger coarse adjustment focus knob, drawing the stage closer to the objective, and bringing your subject into view. Once the image is visible, transition to the blue fine adjustment focus knob to carefully sharpen the clarity, revealing the detailed layers of your specimen in exquisite detail. Further enhance image clarity by using the diopter adjustment control on the eyepiece holder, ensuring a sharp and focused view tailored to your eyes. Explore additional sections of the slide by utilizing the X-Y translational control knobs to reposition the slide holder, offering a comprehensive examination of your subject matter.
Elevate your observation by smoothly rotating the nosepiece clockwise to engage a higher magnification objective. Ensure a safe distance from the slide to prevent any potential damage, allowing for an in-depth examination. Should you find the objective unable to align without touching the slide, simply employ the coarse focus knob to graciously lower the stage, thereby creating a generous space before fine-tuning your magnification.
Delicately manipulate the focusing ring on the iris aperture diaphragm, allowing you to customize the image resolution to your delightful preference and achieve the clarity you desire. Gently adjust the condenser by rotating the metal knob, moving it closer or further from the stage, to attain the perfect illumination that suits your observation needs.
Elevate the capabilities of the 100X objective to their peak by applying the included immersion oil, ensuring superior and vivid results with every observation. With gentle precision, rotate the nosepiece to position the 100X objective lens near your specimen slide. Experience the refined control that puts precise observation right at your fingertips. Carefully apply a drop of our premium included immersion oil onto the cover slip, ensuring optimal clarity and resolution for your microscopy endeavors. With a steady hand, gradually rotate the 100X objective into place, ensuring seamless contact with the immersion oil for enhanced and vivid visualization. Skillfully adjust the focus for a sharp, clear view of your specimen, unraveling the finest details and unveiling the captivating wonders hidden within. (Important Note: After use, gently wipe off the immersion oil from both the objective lens and cover slip with lens paper moistened with ethyl or isopropyl alcohol. Remember, the immersion oil is exclusively for the 100X objective and should never be used with the 4X, 10X, or 40X objectives.)
The forward-thinking swing-in and swing-out filter holder is thoughtfully positioned at the base of the Abbe condenser for effortless use. Effortlessly swing out the holder and insert a 32mm diameter filter, ensuring it's pristine and free from dust, dirt, and fingerprints for flawless, unblemished imaging.
Warranty Information and Customer Support - Your Gateway to Peace of Mind
Crafted to Perfection: Our microscopes are diligently engineered to meet and exceed the stringent ISO 9001 standards, ensuring quality you can trust. Comprehensive Warranties Overview: A Commitment to Your Satisfaction
Unmatched Assurance: Enjoy peace of mind with our extensive five (5) year warranty, providing robust protection against manufacturing defects for our microscopes. Please note: This warranty excludes coverage for normal wear, routine maintenance, add-on accessories, unauthorized repairs, accidents, alterations, shipping mishaps, and misuse or abuse.
One (1) Year Warranty: Enjoy steadfast protection for Electrical and Video Components, ensuring reliability and peace of mind. Exclusions: Light bulbs, batteries, fuses, and electrical cords are excluded from this warranty coverage.
All warranty coverage commences from the original date of purchase, providing enduring peace of mind for our valued customers. We are wholeheartedly committed to offering repair or
seamless replacement of warrantied parts at absolutely no cost, including labor, throughout the warranty period.
Proof of original purchase is required to validate and access our comprehensive warranty services. Buyers are kindly responsible for orchestrating shipping arrangements to and from
our dedicated warehouse for all warranty services, ensuring a smooth and efficient process. The warranty does not cover damages resulting
from typical wear and tear, any abuse, or unauthorized repairs. Preserve and protect your investment with care.
Disclaimer: Our unwavering commitment to excellence propels us to continually enhance our products. As such, these enhancements may involve subtle mechanical and optical adjustments, and certain 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 craft a bespoke solution perfectly aligned with your aspirations. Furthermore, you are welcome to send us your specimen for a comprehensive proofing evaluation by our expert engineers, ensuring immaculate compatibility.
1) Kindly specify the exact product you envision. Detailed specifications will enable us to craft a recommendation tailored precisely to your unique requirements.
2) Could you provide insight into your current production process? By sharing this, we can tailor our suggestions to better suit your operational needs, ensuring maximum efficiency and effectiveness.
3) We kindly request you share your budget and delivery timeline. This will empower us to align our offerings precisely with your expectations and unique requirements, ensuring a perfect match.
Q2: I have received my Educational Microscope with Rotatable Binocular, and I am uncertain about its operation. What steps should I take to get started?
Fear not! We provide a detailed instructional video alongside a comprehensive English manual to guarantee a smooth installation and operation. Should you have any further questions, our expert English-speaking engineers are on standby to offer online assistance. Additionally, localized support is available in various countries, including India, Malaysia, Korea, and Spain, with ambitious plans for further global outreach.
Q3: What actions should I take in case my microscope encounters any issues?
Be assured, our product's outstanding quality is supported by an inclusive 36-month warranty. Within this timeframe, if you identify any defective components not caused by human error, we will swiftly provide replacement parts. Furthermore, we offer lifelong complimentary online support beyond the warranty period, and a hassle-free parts ordering process ensures your service remains uninterrupted.