An f/3.85 mm lens has a moderate f-stop (aperture). It is not very fast (like f/1.8) nor very slow (like f/8). At 10x digital zoom, the effective light per pixel drops dramatically. Ensure supplementary IR or LED lighting.
This is a relatively narrow-angle lens for a webcam. While standard webcams often aim for a wider field of view to capture more of the room, a 3.85 mm focal length provides a more "zoomed-in" look by default, which can be useful for focusing strictly on the user's face. digital zoom f 3.85 mm megapixel 10x driver
The term "Megapixel" generally implies a resolution of at least 1280x960 (approx. 1.2MP) or higher, such as 2MP (1920x1080 An f/3
Most modern operating systems (Windows 10/11, Mac OS, and Linux) are designed to be driverless Ensure supplementary IR or LED lighting
With a 3.85 mm lens, you are looking at a horizontal field of view roughly between 65° and 75° (depending on the sensor size). This is ideal for: