MOKOSE UC70-6-12MM
MOKOSE 4K@30fps USB Camera User Manual
Model: UC70-6-12MM
Introduction
This manual provides detailed instructions for the MOKOSE 4K@30fps USB Camera with 6-12mm Varifocal Manual Lens. This high-resolution webcam is designed for various applications, offering exceptional image clarity and manual control for precise adjustments.
Key Features
- Large 1/1.8" CMOS Sensor: Utilizes a large 1/1.8" CMOS image sensor for clearer, less noisy images and more accurate color reproduction. Firmware updates optimize Brightness, Contrast, Hue, Saturation, Sharpness, White Balance, and Exposure for various scenes.
- High Resolution Output: Supports a maximum output of 3840*2160@30fps, providing smooth 1920*1080P 30fps video with low latency.
- Multiple Resolution Options: Offers various resolutions including 3840*2160@30fps, 2560@1440@30fps, 2048*1536@30fps, 1920*1080@30fps, 1280*720@30fps, and 640*480@30fps.
- Extended USB Cable: Comes with a 3-meter USB cable, compatible with both USB 3.0 and USB 2.0 computer interfaces.
- Broad Compatibility: The camera uses the UVC standard, ensuring powerful compatibility with Windows, OS X, and Linux operating systems. Multiple cameras can be operated simultaneously on a single computer.
Package Contents
- MOKOSE 4K@30fps USB Camera with 6-12mm Varifocal Manual Lens
- 3 Meters USB Cable

The package includes the MOKOSE 4K USB Camera with its attached 6-12mm varifocal manual lens and a 3-meter USB cable for connection.
Setup Guide
1. Attaching the Lens
The MOKOSE 4K USB Camera features an interchangeable lens design with CS/C mount compatibility. To attach the 6-12mm varifocal manual lens, carefully align the lens threads with the camera body's mount and gently screw it in clockwise until secure. Avoid overtightening.
This video demonstrates the process of attaching the 6-12mm varifocal manual lens to the MOKOSE 4K USB Camera body, highlighting the interchangeable lens design.
2. Connecting to Your Computer
Connect the provided 3-meter USB cable to the USB 3.0 port on the camera and then to an available USB 3.0 or 2.0 port on your computer. The camera is UVC (USB Video Class) compliant, meaning it is plug-and-play and does not require additional driver installation on most Windows, macOS, and Linux systems.

The rear of the camera features a USB port for connecting the provided USB cable to your computer.

The camera's USB port ensures a secure and reliable connection for data transfer.

This diagram shows how to connect the MOKOSE camera to your computer using the USB cable. The camera is UVC compliant, requiring no additional drivers.
Operating Instructions
Manual Zoom and Focus
The 6-12mm varifocal manual lens allows for precise control over zoom and focus.
- Zoom Adjustment: Rotate the zoom ring on the lens to adjust the field of view between 6mm (wide) and 12mm (telephoto). This changes the magnification of the image.
- Focus Adjustment: Rotate the focus ring to achieve a sharp image. For best results, start with the zoom set to your desired field of view, then adjust the focus.
- Aperture Adjustment: The lens also features an aperture ring to control the amount of light entering the camera, which can affect depth of field and exposure.
This video demonstrates how to manually adjust the zoom and focus on the 6-12mm varifocal lens to achieve desired image clarity and field of view.

The 6-12mm varifocal lens provides manual controls for zoom, focus, and aperture, allowing for precise image adjustments.

The compact design of the MOKOSE camera (81x50x50mm) makes it versatile for various setups.

The MOKOSE 4K USB Camera with its 6-12mm varifocal manual lens, ready for use.
Maintenance
- Keep the camera body and lens clean. Use a soft, dry cloth for the camera body.
- For the lens, use a specialized lens cleaning cloth and solution. Avoid abrasive materials that could scratch the lens surface.
- Store the camera in a cool, dry place away from direct sunlight and extreme temperatures.
- Protect the lens from dust and scratches when not in use by using a lens cap.
- Avoid exposing the camera to excessive moisture or humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No image/Camera not detected | Loose USB connection | Ensure the USB cable is securely connected to both the camera and the computer. |
| No image/Camera not detected | Incorrect USB port | Try connecting to a different USB port on your computer, preferably a USB 3.0 port. |
| No image/Camera not detected | Software issue | Restart your computer. Ensure your video conferencing or streaming software is updated and correctly configured to select the MOKOSE camera. |
| Blurry image | Incorrect focus | Adjust the focus ring on the lens until the image is sharp. |
| Image too dark/bright | Incorrect aperture/exposure | Adjust the aperture ring on the lens. Check software settings for exposure control. |
| Image color issues | White balance settings | Adjust white balance settings within your camera software or operating system settings. |
| Camera freezes/disconnects | Static electricity | Discharge static electricity before handling the camera. Ensure proper grounding of your setup. |
Specifications
| Feature | Detail |
|---|---|
| Model | UC70-6-12MM |
| Sensor | 1/1.8'' CMOS Sensor |
| Pixel Size | 2 µm x 2 µm |
| Weight | About 175g (6.2 ounces) |
| Camera Size | 81*50*50MM (6.3 x 3.58 x 3.19 inches) |
| Exposure Mode | Rolling shutter |
| USB Cable Length | 3 Meters |
| Max Resolution (MJPG) | 3840*2160@30fps |
| Max Resolution (YUY2) | 640*480@30fps |
| Lens | 6-12MM C-Mount Lens |
| Focus Mode | Manual Focus |
| Field of View | 32°-61° |
| Backlight Compensation | Auto |
| White Balance | Auto Tracking White Balance |
| Working Temperature | -10°C~60°C |
| Video Standard | UVC |
| Supported Systems | Windows / Linux / OS X |
| Compatible Software | Labview / Adobe Flash Media Live Encoder / OBS Studio / VLC / Potplayer / Wirecast/ vMix / QuickTime etc. |
Warranty and Support
For warranty information and technical support, please refer to the official MOKOSE website or contact their customer service directly.
You can visit the MOKOSE Store on Amazon for more products and information: MOKOSE Amazon Store.
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