
Unveil the hidden wonders with our SW350B Microscope, designed to satisfy the curiosities of clinical doctors, academic scholars, and curious hobbyists alike. This multifunctional composite microscope is a gateway to the microscopic world, rendering the minute complexities of sample slides with precision and clarity.
Delight in seamless visual exploration with our professional Siedentopf binocular telescope. Fully rotatable, it promotes effortless collaboration. Equipped with interchangeable wide-field 10X and 25X glass eyepieces, angled at a comfortable 30 degrees, it minimizes neck strain while accommodating diverse pupil distances, all while maintaining sharp focus.
Experience a spectrum of magnifications with our microscope's four DIN achromatic objectives, ingeniously housed in a smooth rotating turret. With six magnification levels ranging from 40X to an extraordinary 2500X, it meets every research requirement with precision and ease.
Illuminate your specimens with the bright LED bulbs of our advanced microscope. Light is guided through a manually adjustable Abbe condenser, bringing life to sliding specimens. The double-layer mechanical stage, with its expansive area and secure safety sliding bracket, enhances viewing with customizable brightness.
Robust and designed for ease of transport, our microscope features an integrated handle, ensuring durability and portability for any environment.
Quality Assurance: Our SW350B Microscope is favored by top manufacturers, educators, and clinical professionals worldwide, guaranteeing a standard of excellence in every detail.
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 Setup
Carefully unpack the microscope and position it on a stable, level surface to commence your setup. Remove the protective covers from the eyepiece holders on the microscope head. Securely insert the eyepieces into their designated holders for optimal use. Enhance your viewing experience by adding an eyepiece adapter to the trinocular camera port. This allows for a third eyepiece or the integration of an eyepiece camera (available separately). Locate the power adapter, connect it to your microscope, and plug it in. Switch on the microscope by pressing the power button located at the rear of the base.
Using the Microscope
Begin by activating the microscope. Use the illumination intensity control wheel to set the lamp to the lowest brightness, ensuring optimal visual comfort.
Firmly secure a slide in the holder on the microscope stage, ensuring it is ready for close examination. Employ the X-Y translational control knobs on the right side of the stage to adjust the stage's position, centering the specimen over the light source for a clearer view.
Adjust the binocular eyepieces by moving them until a single, unified image emerges, offering a cohesive viewing experience. Adjust the bulb brightness to your preference using the dimmer wheel, ensuring optimal lighting for your observations.
Start your exploration with the 4X objective lens, ensuring it is accurately centered over the stage for an ideal starting point. Peer through the eyepieces and use the coarse adjustment focus knob to draw the stage near the objective, bringing the image into clear focus. Once the initial image is visible, utilize the fine adjustment focus knob to achieve precise clarity, unveiling the intricate layers of your specimen. Refine your focus further with the diopter adjustment on the eyepiece holder, ensuring the image is sharp and clear. Investigate additional areas of the slide by using the X-Y translational knobs to reposition the holder after achieving focus.
To increase magnification, smoothly rotate the nosepiece clockwise to engage a higher magnification objective, carefully avoiding contact with the slide to prevent any damage. To smoothly align the objective without interference with the slide, utilize the coarse focus knob to gently lower the stage. This creates an ample gap, allowing you to adjust magnification effortlessly and precisely.
Effortlessly enhance image clarity by manipulating the focusing ring on the iris aperture diaphragm, enabling you to achieve your preferred resolution with precision. Achieve your desired illumination by expertly adjusting the condenser. Manually rotate the metal knob to move it closer or farther from the stage, ensuring optimal light distribution.
Unlock the full potential of the 100X objective by applying the premium-quality immersion oil included, ensuring unparalleled performance and clarity. With precision and care, rotate the nosepiece until the 100X objective lens is perfectly aligned with your specimen slide, granting you exceptional control and precision. Delicately apply a drop of the premium immersion oil provided onto the cover slip, ensuring maximum clarity and resolution for your observations. With a steady hand, smoothly rotate the 100X objective into position, ensuring it seamlessly connects with the immersion oil, elevating your visualization experience. Artfully adjust the focus, bringing your specimen into sharp and crystal-clear view, revealing even the most intricate details with remarkable clarity. (Important Notice: After use, gently cleanse the immersion oil from the objective lens and cover slip with lens paper lightly moistened with ethyl or isopropyl alcohol. Remember, immersion oil is exclusively for use with the 100X objective and not compatible with the 4X, 10X, or 40X objectives.)
The cutting-edge swing-in and swing-out filter holder is strategically positioned at the base of the Abbe condenser for effortless accessibility. Swing the holder out and expertly insert a 32mm diameter filter, ensuring it is impeccably clean and free from dust, dirt, and fingerprints for flawless imaging.
Warranty Information and Customer Support - Your Confidence and Peace of Mind
Crafted to Absolute Perfection: Our microscopes are meticulously engineered to meet and exceed the rigorous ISO 9001 standards. Comprehensive Warranty Coverage Overview:
Unparalleled Assurance: Our microscopes include a comprehensive five (5) year warranty, ensuring protection against any manufacturing defects. Please be aware: This warranty does not cover normal wear, routine maintenance, add-on accessories, damage from unauthorized repairs, accidents, alterations, shipping mishaps, misuse, or abuse.
A One (1) Year Warranty provides robust protection for electrical and video components, offering reliability you can trust. Exclusions: Please note that light bulbs, batteries, fuses, and electrical cords are not covered under this warranty.
All warranty coverage commences from the original purchase date, ensuring enduring peace of mind. We are dedicated to providing seamless repair or
replacement of warrantied parts at no cost, including labor, throughout the warranty period, ensuring your satisfaction.
Proof of original purchase is necessary to validate warranty services. The responsibility for coordinating shipping to and from
our dedicated warehouse for warranty services lies with the buyers. The warranty does not extend to damages resulting
from normal wear and tear, misuse, or unauthorized repairs-protect your valuable investment.
Disclaimer: Our unwavering commitment to excellence drives us to continually enhance our products. These refinements may involve subtle mechanical and optical modifications, so some descriptions, illustrations, and specifications in this manual may slightly differ from the microscope you receive.

Q1: How can I find the optimal model that perfectly matches my specific application needs?
Provide us with essential details, and we will design a customized solution tailored to your aspirations. Moreover, you can trust us with your specimen for a comprehensive proofing assessment by our expert engineers, ensuring impeccable compatibility.
1) Please specify the exact product you envision. Detailed specifications will empower us to craft a personalized recommendation tailored to meet your unique needs with precision.
2) What is your current production process? Sharing this crucial information empowers us to tailor our expert suggestions perfectly, ensuring they meet your operational needs with precision and efficiency.
3) Kindly share your budget and delivery timeline with us, so we can meticulously tailor our offerings to flawlessly align with your specific expectations and 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 at all! We provide an in-depth instructional video along with a comprehensive English manual to guarantee seamless installation and operation. For any further inquiries, our team of proficient English-speaking engineers is eager to assist you online. Additionally, enjoy the convenience of localized support in key countries such as India, Malaysia, Korea, and Spain, with exciting plans for global expansion on the horizon.
Q3: What steps should I take if my microscope encounters an issue?
Rest assured, our product's exceptional quality is protected by a comprehensive 12-month warranty. Within this period, if any components are found to be defective without human-induced damage, we promptly send replacement parts to you. Moreover, beyond the warranty, we proudly offer lifelong complimentary online support. For parts replacement, our straightforward ordering process ensures uninterrupted service and peace of mind.