
Introducing a powerful, multifunctional composite microscope meticulously designed to reveal the intricate details of sample slides. Perfectly tailored for clinical doctors, high school and university science students, as well as passionate hobbyists seeking precision and clarity in their explorations.
Experience the professional Siedentopf binocular telescope with lenses that are fully rotatable and designed for seamless use. Equipped with interchangeable wide-field 10X and 25X glass eyepieces, they are meticulously fixed at an ergonomic 30-degree tilt. This ensures reduced neck strain and effortless adaptation to varying pupil distances while maintaining optimal focus.
The rotating turret houses four DIN achromatic objectives, offering an impressive six levels of magnification: 40X, 100X, 250X, 400X, 1000X, and an astounding 2500X, unveiling the unseen world with precision.
Harness the power of bright LED bulbs that illuminate your specimens with brilliance. The manually adjustable Abbe condenser allows for customizable brightness, while the double-layer mechanical stage boasts a generous surface area with an optimized safety sliding bracket for unparalleled slide presentation and viewing.
Designed with mobility in mind, the integrated handle ensures that transporting this sturdy microscope is a breeze.
Quality Assurance: Esteemed by global microscope manufacturers, educators, researchers, and clinical doctors, this microscope stands as a testament to reliable quality and performance.
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 instructions.
Gently remove the microscope from its packaging and place it on a stable, flat surface to begin. Carefully remove the plastic covers from the eyepiece holders on the head of the microscope, then secure the eyepieces into their respective holders. At this stage, you may opt to insert the eyepiece adapter into the trinocular camera port atop the microscope. This allows for the addition of a third eyepiece or the mounting of an eyepiece camera (not included). Locate and connect the power adapter to the microscope, plug it in, and activate the device by pressing the power button located on the back of the base.
Guidelines for using the microscope effectively.
Turn on the microscope and utilize the illumination intensity control wheel to set the lamp to its lowest brightness setting, preparing the optimal conditions for observation.
Secure a slide into the slide holder on the stage to commence your scientific exploration. Utilize the X-Y translational control knobs on the stage's right side to maneuver the stage front to back or the slide holder left to right, ensuring the specimen is precisely centered over the bulb.
Adjust the binocular eyepieces closer or further apart until a singular, clear image is achieved through the lenses. Fine-tune the bulb brightness to a comfortable level using the dimmer wheel, enhancing your viewing experience.
Begin with the lowest power objective lens, the 4X, positioned over the stage, laying the foundation for a detailed analysis. Peer through the eyepieces, and slowly adjust the larger coarse adjustment focus knob to bring the stage closer to the objective, gradually bringing the image into focus. Once an image forms, shift to the blue fine adjustment focus knob for precise clarity or to explore the various specimen layers. Further refine the image clarity using the diopter adjustment control on the eyepiece holder, tailoring the focus to perfection. Investigate other regions of the slide by employing the X-Y translational control knobs to reposition the slide holder once in focus.
Enhance magnification by rotating the nosepiece clockwise to a higher magnification objective. Take caution not to allow the objective to make contact with the slide, as this may risk damage. Should the objective risk contact with the slide, utilize the coarse focus knob to lower the stage, creating ample space before adjusting magnification.
Adjust the iris aperture diaphragm's focusing ring to alter the image's resolution, ensuring the sharpest view possible. The condenser can be manually repositioned closer to or farther from the stage by rotating the dedicated metal knob, allowing for customized illumination control.
For optimal results, particularly with the 100X objective, employ the included immersion oil to enhance the clarity of high-magnification observations. Effortlessly rotate the nosepiece until the 100X objective lens is poised right next to, but not yet touching, the specimen slide. This careful positioning is crucial for preparing detailed observations. Gently place a drop of the provided high-quality immersion oil onto the cover slip, ensuring optimal clarity and precision in your microscopic examination. Slowly, with precision, rotate the 100X objective into its correct place until it makes a seamless connection with the immersion oil, facilitating a clear and enhanced view. Finely adjust the focus to bring your specimen into sharp, detailed view, allowing you to witness the intricacies and details that this high-precision microscope reveals. (Note: Post examination, gently wipe off any immersion oil from the objective lens and cover slip using lens paper moistened with a minimal amount of ethyl or isopropyl alcohol to maintain their pristine condition. Remember, immersion oil is only suitable for use with the 100X objective and should not be used with the 4X, 10X, or 40X objectives.)
The innovative swing-in and swing-out filter holder is conveniently located at the bottom of the outstanding Abbe condenser. Effortlessly swing it out to place a 32mm diameter filter into it, taking meticulous care to avoid any dust, dirt, or fingerprints from marring the filter and the field lens, ensuring optimal operation.
Seamlessly Mounting a Camera Attachment
Insert the eyepiece adapter smoothly into the trinocular camera port atop the microscope. Mount your eyepiece camera (not included) directly onto it. For C-mount cameras (not included), unscrew the top ring of the eyepiece adapter to convert it into a 1X C-mount, unlocking versatile imaging options.
The fine-tuned parfocality between the eyepieces and the trinocular port has been expertly preset before shipping and typically requires no adjustments. However, should you need it, you can rotate the parfocal ring within the eyepiece adapter to modify the adapter's height and achieve precise parfocality.
Comprehensive Warranty Information and Dedicated Customer Support
Our precise microscopes are meticulously manufactured to conform to the highest ISO 9001 standards, ensuring quality and reliability. Our Warranty Offers Include:
Exclusive Five (5) Year Warranty for Microscopes: Enjoy peace of mind with a five-year assurance against any manufacturing defects, a testament to our product quality. This coverage excludes normal wear, routine maintenance, additional accessories, damages due to unauthorized repairs, accidents, alterations, shipping issues, misuse, or abuse.
Distinct One (1) Year Warranty for Electrical and Video Components, ensuring short-term protection and security. Note: The warranty does not cover consumables such as light bulbs, batteries, fuses, or electrical cords.
All warranty periods commence from the official date of purchase, providing a clear timeline for support. We offer free repair or
replacement for warranted parts, including labor, during the warranty period, ensuring your satisfaction and product longevity.
Original proof of purchase is essential to process warranty claims efficiently. Buyers bear the responsibility for shipping costs to and from
our state-of-the-art warehouse for warranty-related services. The warranty does not extend to cover damages resulting
from typical wear and tear, misuse, or unauthorized repairs, protecting the integrity of the product.
Disclaimer: We continuously strive to enhance our instruments, responding dynamically to valuable customer feedback. These ongoing improvements may involve subtle modifications to the mechanical structure and optical design of our high-quality microscopes. As a result, some descriptions, images, and specifications in this manual may exhibit slight variations from the microscope you receive, reflecting our commitment to progress.
Q1: How can I determine the most suitable model for my specific product application?
Simply provide us with the following details, and we will craft a customized solution for you. Additionally, you can send us your specimen, and our expert engineers will conduct a meticulous proofing evaluation.
1) What exactly is your product, including detailed specifications?
2) What is your current production process, and how can it be optimized?
3) What is your desired budget, and what is your preferred delivery timeframe?
Q2: I'm excited about receiving my new Precision Research Microscope for Educational and Hobbyist Use, but I'm unsure about how to operate it. What are my next steps?
To ensure you embark on your microscopy journey with confidence, we provide an extensive range of instructional materials. You'll receive an engaging installation and operation video tutorial, accompanied by a comprehensive English manual. Should you have any additional inquiries, our skilled engineers are ready to assist you directly via online support, with proficiency in English. Additionally, we offer local support teams in select countries, including India, Malaysia, Korea, and Spain. Stay tuned as we expand our global support network to include even more countries soon.
Q3: What should I do if my Precision Research Microscope encounters an issue?
Your Precision Research Microscope comes with an impressive 36-month quality guarantee, during which we ensure the seamless functioning of your equipment. Should any non-user-induced issues arise, we will promptly dispatch spare parts to you with the utmost efficiency. Beyond this guarantee period, we continue to offer free online support for the lifetime of your microscope. In the event of any part malfunction, you can conveniently order replacement components from our dedicated team.