
Introducing a robust and versatile composite microscope designed to unlock the concealed intricacies of specimen slides! Perfectly tailored for medical professionals, dedicated science students from high school to university, and enthusiastic hobbyists eager to explore the microscopic world with unmatched precision.
Experience crystal-clear observations with our premium Siedentopf binocular telescope lens, expertly crafted for full rotation and simultaneous use. Outfitted with interchangeable wide-field 10X and 25X optical glass eyepieces, all set at an ergonomically sound 30-degree tilt, this design minimizes neck strain while effortlessly accommodating various pupil distances without sacrificing focus.
Delve into a spectrum of magnification possibilities with four DIN achromatic objectives mounted on a revolving turret, offering six extraordinary magnification levels: 40X, 100X, 250X, 400X, 1000X, and 2500X.
Illuminate your specimens with brilliance through bright LED bulbs, casting light via a manually adjustable Abbe condenser. Marvel at the clarity as the adjustable brightness highlights your slides from below on a double-layer mechanical stage, featuring a spacious surface area and a secure safety sliding bracket for optimal slide presentation.
Designed for convenience, the sturdy handle ensures effortless portability of this reliable microscope.
Quality Assurance: Endorsed by esteemed global microscope manufacturers, educators, researchers, and medical practitioners worldwide, a testament to its superior craftsmanship.
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 Guide
Gently unbox the microscope and position it securely on a stable and level surface. Carefully remove the protective plastic covers from the eyepiece holders situated on the microscope's head, then insert the eyepieces into their designated holders. At this stage, consider inserting the eyepiece adapter into the trinocular camera port atop the microscope and either insert a third eyepiece or mount an eyepiece camera (not included) for enhanced viewing capabilities. Locate and connect the power adapter to the microscope, then plug it in. Power up the microscope by pressing the power button located on the back of its base.
Using the Microscope: A Step-by-Step Guide
Switch on the microscope and adjust the illumination intensity control wheel to set the lamp to its lowest brightness setting, preparing for optimal viewing.
Secure a slide by clipping it into the slide holder positioned on the stage. Employ the X-Y translational control knobs located on the stage's right side to move the stage back and forth or adjust the slide holder left and right, centering the specimen over the light source for an ideal view.
Adjust the binocular eyepieces by moving them closer or further apart until you perceive a single, clear image through both lenses. Refine your viewing experience by adjusting the bulb brightness to a comfortable level using the dimmer wheel.
Begin your exploration with the lowest power objective lens, specifically the 4X objective, ensuring it is centered over the stage for an initial breathtaking view. Peer through the eyepieces and bring the image into sharp focus by gently turning the larger coarse adjustment focus knob, moving the stage closer to the objective lens. After achieving an initial focus, transition to the blue fine adjustment focus knob to sharpen clarity further, or reveal the specimen's intricate layers. Enhance image clarity further using the diopter adjustment control on the eyepiece holder for precise fine-tuning. Explore different sections of the slide by manipulating the X-Y translational control knobs, shifting the slide holder once the specimen is clearly in focus.
For increased magnification, carefully rotate the nosepiece clockwise to select a higher magnification objective, ensuring not to accidentally make contact with the slide to prevent potential damage to the glass or objective. Should the objective not fit without touching the slide, employ the coarse focus knob to lower the stage and make adequate space before altering the magnification.
Adjust the focusing ring on the iris aperture diaphragm to enhance the resolution and detail of the observed image. The condenser's position can be manually altered by rotating the metal knob, allowing adjustment closer to or farther from the stage for optimal light control.
Achieve superior results with the 100X objective by applying the included immersion oil for exceptional image clarity and resolution. Gently rotate the nosepiece to position the 100X objective close to, but not touching, your specimen slide, ensuring precision and care. Carefully apply a single drop of the provided high-quality immersion oil onto the cover slip, enhancing your viewing experience. With delicate precision, slowly rotate the 100X objective into place, allowing it to contact the immersion oil seamlessly. Expertly adjust the focus until your specimen is vividly and sharply visible, bringing your observations to life. (Note: Ensure thorough cleaning post-experience by gently wiping off the oil from the objective lens and cover slip using lens paper slightly moistened with ethyl or isopropyl alcohol. Avoid using immersion oil with the 4X, 10X, or 40X objectives.)
Experience seamless operation with the swing-in and swing-out filter holder conveniently located at the bottom of the sophisticated Abbe condenser. Effortlessly swing it out and insert a pristine 32mm diameter filter, ensuring no dust, dirt, or fingerprints mar your viewing field and field lens.
Effortlessly mount a camera attachment for enhanced observational documentation and exploration.
Insert the eyepiece adapter into the trinocular camera port atop the microscope. For a seamless setup, mount an eyepiece camera (not included) directly. Opting for a C-mount camera? Simply unscrew the top ring from the adapter for a 1X C-mount compatibility.
The intricate parfocality between eyepieces and the trinocular port is meticulously preset during manufacture, minimizing adjustments. However, for fine-tuning, rotate the parfocal ring on the eyepiece adapter to perfect the height and achieve optimal parfocality.
Warranty information and customer support
Crafted to the pinnacle of quality, our microscopes are manufactured in adherence to the rigorous ISO 9001 standards. Our warranties provide comprehensive coverage:
Five (5) Year Warranty for Microscopes: Enjoy peace of mind with our five-year warranty against manufacturing defects, ensuring product reliability and excellence. Please note: Our warranty does not include coverage for normal wear, routine maintenance, add-on accessories, or damages resulting from unauthorized repairs, accidents, alterations, shipping, misuse, or abuse.
One (1) Year Warranty for Electrical and Video components: Secure your investment with a one-year warranty on electrical and video components. Note that the warranty excludes coverage for light bulbs, batteries, fuses, or electrical cords, which are considered expendable components.
All warranties are applicable starting from the original date of purchase, ensuring long-term satisfaction and support. We provide seamless repair or
replacement services for warrantied parts, including labor, during the warranty period at no additional cost.
Original proof of purchase is required to avail warranty services. Buyers are responsible for handling the shipping to and from
our specialized warehouse for any warranty-related services, ensuring quality care and attention. Note that the warranty excludes coverage for damages resulting
from normal wear and tear, any form of abuse, or unauthorized repairs.
Disclaimer: We are dedicated to continuous innovation and enhancement of our instruments, driven by valuable customer feedback. These innovations may occasionally lead to slight alterations in the mechanical structure and optical design of our microscopes. Therefore, there may be minor variations between the descriptions, illustrations, and specifications in this manual compared to the microscope you receive, reflecting our commitment to improvement.
Q1: How do I know which model is suitable for my product application?
Simply share the following information with us, and we will provide a tailored solution just for you. Additionally, you can send your specimen, and our expert engineers will conduct a professional proofing evaluation.
1) What is your product? Please provide detailed specifications to allow us to understand fully.
2) What is your current production process? Insight into this can help us recommend the best solutions.
3) What is your desired budget and delivery time? Understanding these parameters allows us to tailor our offerings to suit your needs.
Q2: What should I do if I receive this microscope and am unsure how to use it?
Fear not! We provide comprehensive support to ensure a seamless experience with your new Advanced Laboratory Microscope. Upon purchase, you'll receive detailed teaching videos covering both installation and operation, along with a user-friendly English manual. Should you have additional queries, our English-speaking engineers are readily available to assist you online. Furthermore, for enhanced convenience, we have dedicated local support teams in countries like India, Malaysia, Korea, and Spain, with more locations being added soon to cater to your needs.
Q3: What steps should I take if the Microscope encounters any issues?
Rest assured, our commitment to quality is unwavering. We offer a robust 12-month warranty for your peace of mind. During this period, should any component of your microscope require replacement-provided it's not damaged through misuse-we will promptly dispatch the necessary parts to you with the utmost speed. Even beyond the warranty period, our commitment to you continues, as we provide complimentary online support for a lifetime. Should you need any replacement parts, they are readily available for order through us, ensuring your microscope remains in optimal working condition.