
Discover the unparalleled power of our multifunctional composite microscope designed to reveal the intricate details of sample slides. Perfectly crafted for clinical doctors, dedicated high school and university science students, and enthusiastic hobbyists who crave precision in their observations.
Experience the excellence of the professional Siedentopf binocular telescope lens, offering full rotation and compatibility for dual use. It features interchangeable wide-field eyepieces in 10X and 25X magnifications, all ergonomically set at a 30-degree tilt to alleviate neck strain. Adjust effortlessly to various pupil distances without compromising focus, ensuring a smooth and comfortable viewing experience.
Enjoy precision with our four DIN achromatic objectives housed in a rotating turret, providing you with six versatile magnification levels: 40X, 100X, 250X, 400X, 1000X, and a striking 2500X. Perfect for capturing every detail.
Illuminate your specimens like never before with bright LED bulbs that transmit light through a manually adjustable Abbe condenser. This ensures brilliant illumination from below, with adjustable brightness settings. Our double-layer mechanical stage boasts a large surface area and a meticulously optimized safety sliding bracket for an unparalleled slide presentation viewing experience.
Designed with user convenience in mind, our microscope features an ergonomic handle, enabling easy transportation for this robust piece of equipment.
Committed to Quality Assurance, our microscopes are trusted globally by leading manufacturers, educators, researchers, and clinical doctors, ensuring you receive a product that meets the highest standards.
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 Setup
Begin by carefully removing the microscope from its packaging and placing it on a stable, flat surface to ensure optimal performance. Gently remove the protective plastic covers from the eyepiece holders on the microscope's head. Proceed to place the eyepieces securely into the holders. At this point, you might opt to insert the eyepiece adapter into the trinocular camera port located at the top of the microscope. You can then either position a third eyepiece or mount an eyepiece camera (sold separately) for enhanced functionality. Find the power adapter, connect it to the microscope, and plug it in. Activate the microscope by pressing the power button located on the back of its base.
Using the Microscope
Switch the microscope on and utilize the illumination intensity control wheel to set the lamp to its lowest brightness, ensuring a gentle start to your observations.
Securely clip a slide into the slide holder on the stage to commence your microscopic examination. Use the X-Y translational control knobs, conveniently located on the right side of the stage, to deftly move the stage front to back or adjust the slide holder left to right, centering the specimen over the bulb with precision.
Adjust the binocular eyepieces to your vision by bringing them closer or further apart until a single, cohesive image appears when you look through them. Tailor the bulb's brightness to your comfort level using the dimmer wheel, enhancing your viewing experience with ease.
Initiate your exploration with the lowest power objective lens, the 4X objective, precisely centered over the stage, to lay the groundwork for your observations. Peer through the eyepieces and gently turn the larger coarse adjustment focus knob to draw the stage closer to the objective, bringing the image into initial focus. Once a clear image forms, transition to the fine blue adjustment focus knob to fine-tune the clarity or to explore the various specimen layers you're examining. Enhance image clarity further by using the diopter adjustment control on the eyepiece holder, ensuring precision in your observations. Explore other parts of the slide by utilizing the X-Y translational control knobs to adeptly move the slide holder once the specimen is in focus.
To increase magnification, rotate the nosepiece clockwise to a higher magnification objective. Exercise caution to avoid contact between the objective and the slide, protecting both from potential damage. If repositioning the objective may cause contact with the slide, lower the stage using the coarse focus knob to create adequate space before adjusting magnification.
Refine the resolution of your image by adjusting the focusing ring on the iris aperture diaphragm, tailoring the view to your needs. Adjust the condenser manually by rotating the metal knob to bring it closer to or farther from the stage, depending on your observational requirements.
For optimal results with the 100X objective, apply the included immersion oil to facilitate clearer and more detailed observations. Begin your exploration by gently rotating the nosepiece, positioning the powerful 100X objective lens tantalizingly close to the specimen slide without touching it. This careful maneuver sets the stage for an unparalleled microscopic adventure. Next, enhance your viewing experience by delicately placing a drop of the premium, included immersion oil onto the cover slip. This step ensures maximum clarity and detail in your observations. Slowly usher the 100X objective into its rightful place, allowing it to meet the immersion oil perfectly. This seamless contact is where the magic of professional-level examination begins. Adjust the focus meticulously until the specimen reveals its secrets in stunning clarity, offering you a crisp and immersive view. (Note: After each session, treat your microscope with care by gently wiping the oil from the objective lens and cover slip using lens paper. Moisten the paper with a bit of ethyl or isopropyl alcohol to ensure pristine condition. Remember, immersion oil is reserved solely for the 100X objective-never use it on the 4X, 10X, or 40X lenses.)
Discover the convenience of the swing-in and swing-out filter holder, located at the base of the Abbe condenser, designed for easy access. Simply swing out the holder and place a 32mm diameter filter into it, taking care to avoid dust, dirt, and fingerprints on both the filter and the field lens, ensuring a spotless view.
Mounting a camera attachment
For those seeking to capture their discoveries, place the eyepiece adapter into the trinocular camera port atop the microscope. Mount an eyepiece camera directly on it. Should you prefer a C-mount camera, unscrew the top ring from the adapter, transforming it into a versatile 1X C-mount option.
We've meticulously preset the parfocality between the eyepieces and trinocular port before shipping. However, if needed, the parfocal ring within the eyepiece adapter is adjustable to fine-tune the adapter height and achieve perfect focus across all viewing ports.
Warranty information and customer support
Dedicated to excellence, our microscopes are crafted to meet the rigorous standards of ISO 9001, ensuring superior quality and performance. Warranties are as follows:
With confidence, we provide a Five (5) Year Warranty for our microscopes, safeguarding against any manufacturing defects to ensure your investment is well-protected. Our warranty does not extend to cover normal wear and tear, routine maintenance, add-on accessories, or damages caused by unauthorized repairs, accidents, alterations, shipping, misuse, or abuse.
For electrical and video components, enjoy a One (1) Year Warranty, designed to ensure functionality and peace of mind. The warranty excludes consumables such as light bulbs, batteries, fuses, and electrical cords.
All warranties activate from the original date of purchase, offering protection from day one. We provides the repair or
replacement of warrantied parts for free, including labor, throughout the warranty duration-an assurance of seamless service and satisfaction.
Proof of original purchase is required. Buyers are responsible for shipping to and from
our dedicated warehouse for any warranty services required. The warranty does not cover damages resulting
from normal wear and tear, abuse, or unauthorized repairs, ensuring clarity and fairness in our policy.
Disclaimer: As a forward-thinking company, we constantly innovate and refine our instruments based on invaluable customer feedback. These enhancements often involve subtle yet significant modifications to the mechanical and optical design of our microscopes, elevating your experience. Consequently, some descriptions, illustrations, and specifications in this manual may exhibit slight variations from the delivered microscope, reflecting our ongoing commitment to improvement.
Q1: How do I know which model is suitable for my product application?
Simply share the following information with us, and our expert team will tailor a solution to perfectly fit your needs. Alternatively, you can send us your specimen for a professional proofing evaluation by our skilled engineers.
1) What is your product? Please provide detailed specifications to ensure a precise match.
2) Describe your current production process, enabling us to understand and cater to your specific needs.
3) What is your desired budget and delivery time? We will strive to meet your expectations efficiently.
Q2: When I receive this marvelous Compact Microscope for Hobbyists Interested in Professional Research, but I am unsure of how to operate it, what should I do?
To ensure a seamless start with your new microscope, we will provide comprehensive instructional videos that cover both installation and operation procedures, along with a detailed English manual. Should you have any additional inquiries, our proficient engineers, who are fluent in English, are available to assist you online. Moreover, for your convenience, we have established local support teams in countries such as India, Malaysia, Korea, and Spain, with plans to expand our support network to more countries soon. Your journey to discovery is our priority.
Q3: What steps should I take if the Microscope encounters an issue?
We stand by the quality of our Compact Microscope with a 12-month guarantee. During this period, if any components are found to be defective and not due to human damage, we will promptly dispatch the necessary spare parts with utmost efficiency. Beyond the warranty period, you can still enjoy our complimentary online support services for a lifetime. Should you require replacement parts after the warranty, these can be conveniently ordered directly from us. Your satisfaction and seamless experience with our product are our commitments.