
Unlock the full potential of your scientific exploration with our expertly engineered multifunctional composite microscope. This precision instrument is your gateway to discovering the hidden wonders of sample slides, meeting the diverse needs of clinical doctors, high school and university science students, and dedicated hobbyists alike. An indispensable companion for anyone with a passion for delving into the microscopic realm.
Immerse yourself in a world of clarity and collaboration with our professional Siedentopf binocular telescope lens, designed for effortless 360-degree rotation. Paired with interchangeable wide field 10X and 25X glass eyepieces, ergonomically tilted at 30 degrees, it offers unparalleled comfort by reducing neck strain, while easily adjusting to different pupil distances without losing focus.
Our advanced microscope is equipped with four precision-engineered DIN achromatic objectives, strategically set in a rotating turret to provide a comprehensive range of six magnification levels: 40X, 100X, 250X, 400X, 1000X, and an extraordinary 2500X. This ensures you have the flexibility to meet all research demands with ease.
Illuminate your specimens like never before with our bright LED bulbs, which channel light through a manually adjustable Abbe condenser. Experience stunningly vivid presentations as the double-layer mechanical stage, featuring an expansive surface and advanced safety sliding bracket, enhances your viewing experience with customizable brightness settings.
Built for both endurance and convenience, our microscope comes with an integrated handle, making it effortlessly portable and robust for all your on-the-go scientific endeavors.
Quality Assurance: Choose the microscope that global leaders in manufacturing, education, research, and clinical medicine trust. Our product stands as a testament to the highest standards of excellence, ensuring unparalleled performance.
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 remove the microscope from its packaging and place it on a stable, level surface to initiate your setup process. Gently lift away the protective plastic covers from the eyepiece holders on the microscope's head. Securely insert the eyepieces into their respective holders and prepare for use. Enhance your observational capabilities by inserting the eyepiece adapter into the trinocular camera port at the top of the microscope. This allows for the addition of a third eyepiece or an eyepiece camera (sold separately), expanding your viewing options. Find the power adapter, connect it to the microscope, and plug it in. Activate the microscope by pressing the power button located at the base's rear.
Using the Microscope
Power on the microscope and adjust the illumination intensity control wheel to set the lamp to the lowest brightness setting for initial comfort and optimal viewing conditions.
Secure a slide into the slide holder on the stage, ensuring it is tightly held for stable observation. Employ the X-Y translational control knobs on the stage's right side to precisely navigate the stage forward and backward, or adjust the slide holder left and right, ensuring the specimen is centered directly under the bulb for clear viewing.
Adjust the binocular eyepieces by moving them closer together or further apart until you achieve a single, unified image when viewing through them. Optimize illumination by fine-tuning the bulb brightness to a comfortable level using the dimmer wheel, ensuring the best possible light for your observations.
Begin your observations with the lowest power objective lens, starting with the 4X objective. Make sure it is correctly centered over the stage for accurate viewing. Look through the eyepieces and gently focus the image by turning the larger coarse adjustment focus knob, moving the stage closer to the objective lens for clarity. Once the image is visible, switch to the blue fine adjustment focus knob to meticulously enhance the clarity, unveiling the intricate layers of the specimen under examination. Further enhance image clarity by using the diopter adjustment control on the eyepiece holder, ensuring every detail is sharply focused. Explore different areas of the slide by utilizing the X-Y translational control knobs to reposition the slide holder once your specimen is in focus.
Increase magnification effortlessly by smoothly rotating the nosepiece clockwise to engage a higher power objective, taking care to avoid contact with the slide for safety. When aligning the objective, if you find there's contact with the slide, simply use the coarse focus knob to gently lower the stage. This will create ample space, setting the scene for a flawless magnification adjustment.
Enhance your image resolution effortlessly by expertly adjusting the focusing ring on the iris aperture diaphragm to meet your visual preferences. Fine-tune the condenser's position by skillfully rotating the metal knob. Move it closer or further from the stage to achieve the perfect level of illumination for your observations.
Unlock the full potential of the 100X objective by applying the included immersion oil, ensuring superior results with unrivaled performance. With precision at your fingertips, gently rotate the nosepiece until the 100X objective lens is gracefully positioned near your specimen slide, ready for precise examination. For optimal clarity and resolution, delicately apply a drop of the premium included immersion oil onto the cover slip, enhancing every detail. With a steady hand, smoothly rotate the 100X objective into position, ensuring seamless contact with the immersion oil for an unparalleled visualization experience. Skillfully bring your specimen into focus, achieving a sharp, clear view that reveals the finest details with precision. (Important Note: After use, gently clean 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 is exclusively for the 100X objective, not for 4X, 10X, or 40X.)
Our innovative swing-in and swing-out filter holder is strategically positioned at the base of the Abbe condenser, offering effortless access and convenience. For pristine imaging, swing out the holder and precisely insert a 32mm diameter filter, ensuring it is spotless and free from dust, dirt, and fingerprints.
Warranty Information and Customer Support-Your Assurance of Peace of Mind
Crafted with unwavering precision, our microscopes are engineered to meet and exceed the stringent ISO 9001 standards. Comprehensive Warranties Overview: Offering you unparalleled assurance and confidence.
Unrivaled Assurance: Our microscopes are backed by an extensive five (5) year warranty, safeguarding against any manufacturing defects. Please note: This warranty excludes normal wear, routine maintenance, additional accessories, and damages from unauthorized repairs, mishaps, misuse, or abuse.
A One (1) Year Warranty provides reliable protection for all electrical and video components. Exclusions include light bulbs, batteries, fuses, and electrical cords, which are not covered under this warranty.
All warranty coverage commences from the original date of purchase, providing you with lasting assurance and peace of mind. We are committed to offering seamless repair or
replacement of warrantied parts at no cost, inclusive of labor, throughout the warranty period.
Proof of original purchase is essential to verify and validate warranty services. Buyers are kindly responsible for handling shipping logistics to and from
our dedicated warehouse for all necessary warranty services. The warranty does not cover damages resulting
from typical wear and tear, misuse, or unauthorized repairs-protect your valuable investment.
Disclaimer: Our relentless commitment to excellence drives us to continually enhance our products. These ongoing improvements may lead to slight mechanical and optical adjustments, and as such, some descriptions, illustrations, and specifications in this manual may slightly vary from the microscope you receive.

Q1: How can I discover the ideal model tailored for my specific application needs?
Provide us with key details, and we will craft a bespoke solution tailored to meet your aspirations. Additionally, you can send your specimen for a comprehensive proofing evaluation by our expert engineers, ensuring impeccable compatibility.
1) Kindly specify the precise product you envision. Detailed specifications will enable us to craft a personalized recommendation perfectly aligned with your unique requirements.
2) Could you kindly share insights into your current production process? Providing this information will empower us to fine-tune our recommendations, ensuring they align seamlessly with your specific operational requirements and are tailored to elevate your efficiency and productivity.
3) We would greatly appreciate details about your budget and delivery timeline. This information is critical for us to customize our offerings and ensure they meet or exceed your expectations, delivering both value and timely service in accordance with your unique needs.
Q2: I've received my Educational Microscope with Rotatable Binocular, but I'm not sure how to operate it. What should I do next?
No need to worry! We provide a detailed instructional video along with an easy-to-follow English manual to guide you through the installation and operation effortlessly. Should you have any further questions, our expert English-speaking engineers are readily available for online support. Additionally, enjoy localized assistance in countries like India, Malaysia, Korea, and Spain, with more locations coming soon as part of our exciting global expansion strategy.
Q3: What should I do if I encounter an issue with my microscope?
You can have peace of mind knowing that our product is covered by an extensive 12-month warranty. Should any components fail under normal usage within this period, without signs of human-induced damage, we will promptly dispatch replacement parts to you. Beyond the warranty period, benefit from our lifelong complimentary online support. We also offer a straightforward parts replacement ordering process to guarantee continuous, hassle-free operation.