1. Introduction
Thank you for choosing the HUTACT Compound Monocular Microscope. This instrument is designed for biological science education, offering magnification from 40X to 2000X. It is suitable for students, adults, and hobbyists interested in exploring the microscopic world. This manual provides essential information for the proper setup, operation, and maintenance of your microscope to ensure optimal performance and longevity.
2. Package Contents
Please verify that all items listed below are included in your package:
- 1 x HUTACT Compound Monocular Microscope
- 1 x WF10X Eyepiece
- 1 x WF25X Eyepiece
- 1 x Set of Microscope Slides (prepared and blank)
- 1 x Operating Accessories Set (e.g., tweezers, droppers, vials)
- 1 x Phone Holder
- 1 x Instruction Manual (this document)

Figure 2.1: The complete microscope kit, including the main microscope unit, various eyepieces, prepared slides, operating tools, and the phone holder, all within its packaging.
3. Setup
Follow these steps to set up your microscope for first use:
- Unpacking: Carefully remove all components from the packaging. Retain the packaging for future storage or transport.
- Placement: Place the microscope on a stable, flat surface away from direct sunlight, excessive heat, or vibrations.
- Eyepiece Installation: Insert either the WF10X or WF25X eyepiece into the top tube of the monocular head.
- Power Connection: Connect the microscope to a standard 110V AC power outlet using the provided power adapter.
Microscope Components Overview

Figure 3.1: Diagram highlighting the main functional parts of the microscope, such as the 360° rotatable head, coarse and fine focus knobs, the six-color filter wheel, light source and brightness controls, the stage for placing specimens, and the objective lenses.
4. Operating Instructions
4.1 Powering On and Illumination
- Ensure the microscope is connected to power.
- Locate the Light Source Switch (refer to Figure 3.1) and turn it on.
- Adjust the brightness using the LED Brightness Switch to achieve optimal illumination for your specimen. The microscope features dual LED illumination for both incident (top) and transmitted (bottom) light, allowing versatility for transparent and solid specimens.
4.2 Placing a Specimen
- Rotate the revolving nosepiece to select the lowest power objective lens (4X).
- Place a prepared slide or your own specimen on the Specimen Stage, securing it with the stage clips.
- Use the stage adjustment knobs (if present) to center the specimen under the objective lens.
4.3 Adjusting Magnification and Focusing
- Begin with the lowest magnification (e.g., 4X objective with WF10X eyepiece for 40X total magnification).
- Look through the eyepiece and slowly turn the Coarse Focus Knob to bring the specimen into approximate focus.
- Once roughly focused, use the Fine Focus Knob for precise focusing and clear image resolution.
- To increase magnification, rotate the revolving nosepiece to the next objective lens (10X or 40X). Re-adjust focus using the fine focus knob.
- The 360° Rotatable Head allows for comfortable viewing from various angles and easy sharing.

Figure 4.1: This image illustrates the various magnification levels achievable with the microscope's objective and eyepiece combinations, alongside the visual impact of using the integrated six-color filter wheel to enhance contrast and visibility of different specimens.
4.4 Using Color Filters
The microscope includes a six-color filter wheel located beneath the stage. Rotate the filter wheel to select a color that enhances the contrast or visibility of your specific specimen. Different colors can highlight various features in transparent or lightly stained samples.
4.5 Achromatic Optical Lens System
This microscope is equipped with achromatic optical lenses. These lenses are designed to correct for chromatic aberration, providing clearer, more colorful, and wider images with improved detail compared to standard lenses.

Figure 4.2: This diagram visually explains the benefit of the achromatic optical lens, showing how it provides a clearer, more colorful, and wider field of view compared to a non-achromatic lens, improving observation quality.
4.6 Using the Phone Adapter
The included phone adapter allows you to attach your smartphone to the eyepiece for capturing images or videos of your observations.
- Attach the phone adapter securely to one of the eyepieces.
- Mount your smartphone into the adapter, ensuring the camera lens is aligned with the eyepiece.
- Open your phone's camera application. Adjust the phone's position and zoom until the microscopic view is centered and clear on your screen.
- You can now capture photos or record videos of your observations.

Figure 4.3: This image demonstrates the phone adapter attached to the microscope's eyepiece, allowing a smartphone to capture or display the magnified view of a specimen.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your microscope.
- Cleaning Lenses: Use only specialized lens cleaning paper and lens cleaning solution. Gently wipe the lens surfaces. Avoid touching lenses with bare fingers.
- Cleaning Body: Wipe the microscope body with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used, followed by a dry cloth. Avoid using harsh chemicals or abrasive cleaners.
- Storage: When not in use, cover the microscope with a dust cover (not included) and store it in a dry, dust-free environment. Remove eyepieces and store them in their protective containers if provided.
- Handling: Always carry the microscope by its arm and base. Avoid sudden movements or impacts.
6. Troubleshooting
Refer to the table below for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No illumination | Power cord disconnected; Light switch off; Brightness set to minimum | Check power connection; Turn on light switch; Increase brightness |
| Image is blurry or out of focus | Incorrect focus adjustment; Objective lens not fully engaged; Specimen not flat | Adjust coarse and fine focus knobs; Rotate nosepiece until objective clicks into place; Ensure slide is flat on stage |
| Dark spots in the field of view | Dust on eyepiece or objective lens; Dust on specimen slide | Clean eyepiece and objective lenses; Clean specimen slide |
| Difficulty seeing specimen at high magnification | Insufficient light; Incorrect filter; Specimen too thick | Increase LED brightness; Adjust color filter; Use thinner specimens or lower magnification |
7. Specifications
- Brand: HUTACT
- Model Name: Microscope
- ASIN: B08R6SJH32
- Magnification Maximum: 2000 x
- Objective Lenses: 4X, 10X, 40X (achromatic)
- Eyepieces: WF10X, WF25X
- Light Source Type: LED (Incident and Transmitted)
- Voltage: 110 Volts (AC)
- Material: Metal
- Color: White
- Product Dimensions: 1.14"L x 5.91"W
- Item Weight: 3 Pounds
- Real Angle of View: 45 Degrees (Monocular Head)
8. Support
For any questions, technical assistance, or concerns regarding your HUTACT Compound Monocular Microscope, please contact our customer support. We are committed to resolving any issues within 24 hours.
Please refer to your purchase documentation or the retailer's website for specific contact information.