1. Product Overview
The Dino-Lite USB Digital Microscope AF3113T is a versatile imaging solution designed for detailed inspection and analysis. It offers true optical magnification and high-resolution imaging, making it suitable for various applications across industrial, scientific, medical, educational, and hobbyist needs.
- Magnification: 20x - 50x, 200x True Optical Magnification
- Image Resolution: 640 x 480 (0.3MP)
- Video Frame Rate: 30 FPS
- Connectivity: USB for easy setup and operation
- Compatibility: Windows and Mac operating systems
- Features: MicroTouch for image capture, measurement capabilities, adjustable LED lighting
This microscope provides a balanced field of view for typical inspection and viewing requirements, offering robust tools for capturing, annotating, and analyzing images.

Figure 1: Key features of the Dino-Lite AF3113T, including magnification, USB connectivity, software compatibility, and measurement functions.
2. Setup
2.1 What's in the Box
- Dino-Lite USB Digital Microscope AF3113T
- Carry Pouch

Figure 2: The Dino-Lite AF3113T package includes the microscope unit and a protective carry pouch.
2.2 Software Installation
The Dino-Lite AF3113T requires software for full functionality. Install the appropriate software for your operating system:
- For Windows: Install DinoCapture software.
- For Mac: Install DinoXcope software.
These applications provide tools for capturing, annotating, and analyzing images. Refer to the included Quick Start Guide for download links and detailed installation instructions.

Figure 3: The DinoCapture software interface displayed on a laptop, showing a magnified image.
2.3 Connecting the Microscope
Connect the Dino-Lite AF3113T to your computer via the provided USB cable. The microscope is designed for plug-and-play operation once the software is installed.
For stable viewing or precise movement, the microscope can be paired with a compatible stand (sold separately). The microscope can be used handheld or mounted on a stand.

Figure 4: The microscope can be used handheld for flexibility or with a stand for stability and precise positioning.
3. Operating Instructions
3.1 Powering On and Off
The microscope powers on automatically when connected to a powered USB port and the software is launched. To power off, simply disconnect the USB cable or close the software application.
3.2 Adjusting Magnification and Focus
The AF3113T features variable magnification from 20x-50x and 200x. To adjust the magnification, rotate the barrel of the microscope. For fine-tuning the focus, use the scroll wheel located on the microscope body.

Figure 5: The magnification dial on the microscope allows for precise adjustment of optical zoom levels.
3.3 LED Lighting Control
The microscope is equipped with 8 white LEDs for illumination. The brightness of these LEDs can be controlled via the software interface (DinoCapture/DinoXcope) to optimize lighting for your subject.
3.4 Image Capture and Measurement
Use the MicroTouch feature on the microscope to easily capture still images. Simply tap the MicroTouch sensor to take a picture. The included software also provides advanced measurement features, supporting units like inches, millimeters, and micrometers for accurate analysis.

Figure 6: The Dino-Lite microscope in use, demonstrating its ability to inspect small objects with integrated lighting.
4. Maintenance
- Keep the microscope clean by gently wiping the lens and body with a soft, lint-free cloth.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Store the microscope in its carry pouch when not in use to protect it from dust and damage.
5. Troubleshooting
- Image not appearing: Ensure the USB cable is securely connected to both the microscope and the computer. Verify that the DinoCapture/DinoXcope software is running and the correct device is selected.
- Poor image quality: Adjust the magnification and focus wheel. Ensure adequate lighting using the built-in LEDs. Clean the lens if necessary.
- Software not recognizing device: Reinstall the DinoCapture/DinoXcope software. Check your computer's device manager for proper driver installation. Try a different USB port.
- LEDs not working: Ensure the software is running and check the LED control settings within the application.
6. Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 1.3 x 1.3 x 4.49 inches |
| Item Weight | 10.5 ounces (0.3 Kilograms) |
| Item Model Number | AF3113T |
| Manufacturer | Dino-Lite |
| Light Source Type | LED |
| Material | Plastic |
| Magnification Maximum | 220 x |
| Voltage | 5 Volts |
| Compatible Devices | Personal Computer (Windows, Mac) |
| Objective Lens Description | Achromatic |
7. Warranty and Support
For warranty information or technical support, please refer to the documentation included with your product or visit the official Dino-Lite website. You may also contact the manufacturer directly for assistance.





