
Introducing our powerful multifunctional composite microscope, meticulously designed to unveil the intricate wonders hidden within your sample slides. Perfectly crafted for clinical doctors seeking precision, high school and university science students eager to explore, and passionate hobbyists yearning for detailed observation.
Experience the excellence of the professional Siedentopf binocular telescope lens. Fully rotatable and seamlessly integrated, it features interchangeable wide field 10X and 25X glass eyepieces. These eyepieces are precisely fixed at an ergonomic 30-degree tilt, minimizing neck strain while effortlessly accommodating diverse pupil distances, ensuring uninterrupted focus every time.
Our rotating turret is equipped with four DIN achromatic objectives, delivering six levels of magnification: 40X, 100X, 250X, 400X, 1000X, and an impressive 2500X. This range empowers users with the versatility needed for diverse scientific inquiries.
Illuminate your discoveries with our bright LED bulbs. These expertly transmit light through a manually adjustable Abbe condenser, enhancing specimen visibility from below with customizable brightness. The double-layer mechanical stage, featuring a large surface area and a safety-optimized sliding bracket, ensures seamless slide presentation viewing.
Designed with convenience in mind, the robust handle allows users to effortlessly carry this sturdy microscope wherever their research takes them.
Quality Assurance: Our microscope is trusted globally by renowned manufacturers, educators, researchers, and clinical doctors, ensuring a reputation of excellence and precision.
Model |
SW350T |
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
Unbox your microscope with care and place it on a stable, flat surface to ensure a solid foundation for all your observations. Gently remove the protective plastic covers from the eyepiece holders on the microscope's head. Proceed to place the eyepieces securely into the holders, setting the stage for your exploratory journey. Consider enhancing your setup by inserting the eyepiece adapter into the trinocular camera port. You can then place a third eyepiece or mount an eyepiece camera (not included) to elevate your research capabilities. Locate the power adapter with ease, attach it to the microscope, and plug it in. Activate the microscope by pressing the power button discreetly located on the back of the base.
Using the microscope
Begin your microscopy adventure by turning on the microscope and adjusting the illumination intensity control wheel to set the lamp at its lowest brightness setting, fostering a gentle start to your observations.
Securely clip a slide into the slide holder on the stage, ensuring a stable position for all your analytical endeavors. Utilize the X-Y translational control knobs situated on the right side of the stage to expertly maneuver the stage front to back, or adjust the slide holder left to right, centering the specimen over the bulb for optimal viewing.
Bring the binocular eyepieces closer together or further apart until you perceive a singular, unified image when gazing through them. Adjust the bulb's brightness to your comfort level using the dimmer wheel, ensuring a comfortable and precise viewing experience.
Always commence your observations with the lowest power objective lens-here, the 4X objective-centered over the stage, providing a broad view before diving deeper. Peer through the eyepieces and gently adjust the larger coarse adjustment focus knob, bringing the stage closer to the objective until the image comes into view. With the initial image formed, transition to the blue fine adjustment focus knob for precise fine-tuning, allowing you to explore the depths and layers of the specimen with unmatched clarity. Employ the diopter adjustment control on the eyepiece holder for additional fine-tuning, ensuring peak image clarity tailored to your visual needs. Explore various parts of the slide by employing the X-Y translational control knobs to smoothly navigate the slide holder once the specimen is perfectly in focus.
Elevate your exploration by rotating the nosepiece clockwise to a higher magnification objective. Exercise caution to prevent contact with the slide, as this may cause damage to both the slide and the objective. Should space be needed to move the objective into place without interference, utilize the coarse focus knob to gently lower the stage, creating the necessary room before adjusting magnification.
Adjust the focusing ring on the iris aperture diaphragm to refine the resolution, enhancing the image's sharpness and clarity to match your research demands. Manually alter the position of the condenser relative to the stage by rotating the metal knob, customizing the illumination for optimal observation.
For unparalleled results with the 100X objective, employ the included immersion oil, ensuring a seamless and detailed examination of your specimens. Gently rotate the nosepiece until the 100X objective lens is positioned close to, but not touching, the specimen slide. This careful maneuver prepares you for an exceptional microscopic experience. Carefully apply a drop of the high-quality immersion oil provided onto the cover slip. This step is essential for achieving enhanced clarity and detail in your observations. With finesse, rotate the 100X objective lens into position so that it delicately contacts the immersion oil. This ensures optimal alignment for microscopic exploration. Skillfully adjust the focus until the specimen is brought into crisp and clear view, allowing for in-depth examination of its intricate details. (Note: After use, promptly and gently clean the oil from the objective lens and cover slip using lens paper dampened with a small amount of ethyl or isopropyl alcohol. Avoid using immersion oil with the 4X, 10X, or 40X objectives to maintain optimal performance.)
The Abbe condenser is equipped with a convenient swing-in and swing-out filter holder located at its bottom. This feature aids in precision filtering during your research. Swing out the filter holder and carefully place a 32mm diameter filter within it, ensuring it remains free of dust, dirt, and fingerprints. This guarantees optimal clarity and accuracy in your observations.
Mounting a camera attachment is a straightforward process that expands your microscope's functionality and enhances your research capabilities.
Insert the eyepiece adapter into the trinocular camera port on the top of the microscope, then attach your eyepiece camera (not included). For C-mount cameras, simply unscrew the adapter's top ring and use it as a 1X C-mount.
The parfocality between the eyepieces and the trinocular port is preset during shipment to ensure seamless operation. Should adjustments be needed, rotate the parfocal ring in the adapter to modify the height position and maintain perfect parfocality.
Warranty information and customer support
Our microscopes are meticulously crafted to adhere to ISO 9001 standards, signifying our commitment to quality and precision. Warranties are structured as follows to provide peace of mind:
Five (5) Year Warranty for Microscopes: Enjoy a comprehensive five (5) year warranty protecting against manufacturing defects, ensuring long-term reliability and performance. Please note that this warranty does not cover normal wear, routine maintenance, or add-on accessories. It excludes damage from unauthorized repairs, accidents, alterations, shipping, misuse, or abuse.
One (1) Year Warranty for Electrical and Video components: A one (1) year warranty covers these components, reinforcing our commitment to quality. Excluded from coverage are consumable items such as light bulbs, batteries, fuses, or electrical cords.
All warranties commence from the original date of purchase, ensuring you are protected from the start. We provide efficient and complimentary repair or
replacement of warrantied parts, including labor, throughout the warranty period, demonstrating our dedication to customer satisfaction.
Proof of original purchase is required to validate your warranty claim and ensure seamless service. Buyers are responsible for covering the shipping costs to and from
our warehouse for any warranty-related services needed, ensuring prompt and professional support. The warranty does not extend to damages caused by
normal wear and tear, misuse, or unauthorized repairs, guaranteeing coverage only for manufacturer-related issues.
Disclaimer: We are dedicated to continuous improvement of our instruments, incorporating customer feedback to enhance functionality. These enhancements may involve minor modifications to both the mechanical structure and optical design of our microscopes, ensuring cutting-edge performance. As a result, certain descriptions, illustrations, and specifications in this manual may slightly differ from the microscope you receive, reflecting our commitment to innovation.
Q1: How can I determine the right model for my application needs?
Simply provide us with the following details, and we'll tailor the perfect solution for you. Alternatively, send us your specimen, and our expert engineers will conduct a proofing evaluation.
1) Specify your product and its detailed specifications for accurate matching.
2) Describe the current production process to assist us in identifying the best fit.
3) Share your budget constraints and desired delivery timeframe for tailored recommendations.
Q2: If I'm unsure how to operate the microscope upon receipt, what steps should I take?
To ensure a seamless experience, we provide comprehensive instructional materials, including both video tutorials for installation and operation as well as a detailed English manual. Should you have any further queries, our proficient English-speaking engineers are readily available for direct online assistance. Furthermore, in select regions such as India, Malaysia, Korea, and Spain, we offer the convenience of localized support teams, with plans to expand this service to additional countries in the near future.
Q3: What should I do if the Microscope experiences any issues?
We proudly offer a 12-month quality guarantee for our products. If any machine spare parts become faulty, provided the damage is not caused by user mishandling, we will ensure prompt delivery of the necessary components. Beyond the guarantee period, we remain committed to providing complimentary online support for the product's lifetime. Should any parts require replacement, you are welcome to purchase them directly from us for continued optimal performance.