1. Introduction
The Andonstar A1 Digital USB Microscope is a versatile tool designed for detailed observation and analysis. Featuring a CMOS sensor with 2 million pixels and 1-500 times magnification, it connects directly to your computer via USB, displaying images instantly. Its robust aluminum metal structure ensures durability, while 8 built-in LED lights provide optimal illumination. This microscope is ideal for examining coins, jewelry, circuit boards, and various other small objects, offering both photo and video capture capabilities.
2. Package Contents
Upon unpacking, please ensure all the following items are present:
- Andonstar A1 Digital USB Microscope Unit
- Metal Stand (Base, Vertical Rod, Horizontal Arm, Microscope Holder)
- USB Connection Cable
- Remote Control
- Adjustable LED Lights (integrated into the stand)
- Various Nozzles/Accessories (Transparent Nozzle, Reflect Mirror, Cylindrical Nozzle, Black Nozzle)
- User Manual (this document)
- Professional Software (available for download)

Figure 1: Andonstar A1 Digital USB Microscope and its included accessories.
3. Setup Instructions
- Assemble the Metal Stand: Securely attach the vertical rod to the base, then mount the horizontal arm and microscope holder. Ensure all knobs and screws are tightened to prevent wobble.
- Attach the Microscope Unit: Insert the microscope unit into the holder on the horizontal arm.
- Connect to Computer: Use the provided USB cable to connect the microscope to an available USB port on your Windows 10 or Mac computer.
- Install Software: Download and install the professional software from the official Andonstar website. This software is necessary for viewing images, capturing photos/videos, and accessing advanced settings.
- Power On: The microscope will typically power on automatically when connected to a computer. Ensure the computer recognizes the device.
4. Operating Instructions
4.1. PC Connection and Display
Once connected via USB, the microscope's live feed will be displayed on your computer screen through the installed software. This allows for a larger viewing area and easy sharing.

Figure 2: Microscope connected to a PC for live viewing.
4.2. Magnification and Focus
The Andonstar A1 offers 1-500 times magnification. Adjust the microscope's height on the stand using the side knobs to change the focal distance. The optimal focal distance is between 5mm and 30mm. Use the silver knob on the microscope unit itself to fine-tune the image sharpness.

Figure 3: Adjusting focal distance for desired magnification.
4.3. Adjustable LED Lighting
The microscope features 8 built-in LED lights. These lights can be adjusted to provide optimal illumination for your observation object. Use the integrated controls on the USB cable to increase or decrease light intensity, ensuring a clear visual effect.

Figure 4: Controls for adjusting LED light intensity.
4.4. Photo and Video Capture
Through the professional software on your computer, you can capture real-time video or still images of your observations. The remote control can be used to trigger these functions and navigate software menus without touching the microscope, minimizing vibrations.
4.5. Multi-function and Multi-purpose Observation
The microscope is suitable for various applications including coin inspection, jewelry observation, and circuit board maintenance. Its design allows for 360° omni-directional observation, enabling you to view objects from multiple angles. Various included nozzles can be attached for specific viewing needs.

Figure 5: Examples of accessories for diverse observation needs.

Figure 6: The microscope head can be adjusted 360 degrees for comprehensive viewing.
5. Maintenance
- Cleaning Lenses: Use a soft, lint-free cloth or lens cleaning paper with a specialized lens cleaning solution to gently wipe the microscope lens. Avoid abrasive materials that could scratch the lens.
- General Cleaning: Wipe the microscope body and stand with a dry, soft cloth. Do not use harsh chemicals or solvents.
- Storage: Store the microscope in a dry, dust-free environment when not in use. Consider using a protective cover to prevent dust accumulation.
- Handling: The microscope features a durable aluminum metal structure. However, avoid dropping or subjecting it to strong impacts to prevent damage to internal components.
6. Troubleshooting
- No Image on Computer:
- Ensure the USB cable is securely connected to both the microscope and the computer.
- Verify that the professional software is correctly installed and running.
- Check your computer's device manager to see if the microscope is recognized.
- Blurry Image:
- Adjust the microscope's height on the stand to achieve the correct focal distance (5mm-30mm).
- Rotate the silver knob on the microscope unit for fine focus adjustment.
- Ensure the object being viewed is stable and flat.
- Insufficient Lighting:
- Adjust the intensity of the 8 built-in LED lights using the controls on the USB cable.
- Ensure the microscope is receiving adequate power (5V).
- Software Not Responding:
- Close and restart the software.
- Ensure your computer meets the minimum system requirements for the software.
- Reinstall the software if the issue persists.
7. Specifications
- Model: A1
- Brand: Andonstar
- Magnification: 1-500 times
- Sensor: CMOS, 2 Million Pixels
- Light Source: 8 Built-in LED Lights (adjustable)
- Focal Distance: 5mm - 30mm
- Material: Aluminum, Metal
- Color: Silver
- Voltage: 5 Volts
- Power Source: Corded Electric
- Compatible Devices: Personal Computer (Windows 10, Mac with built-in camera)
- Objective Lens Description: Achromatic
- Package Dimensions: 6.75 x 4.5 x 2 inches
- Item Weight: 13.6 ounces
- UPC: 606034623965
8. Warranty and Support
For warranty information, technical support, or any inquiries regarding your Andonstar A1 Digital USB Microscope, please refer to the documentation included in your package or visit the official Andonstar website. Customer support contact details are typically provided on the manufacturer's website.





