The "f=3.85mm" refers to the of the lens. In the world of digital sensors (which are much smaller than traditional 35mm film), a 3.85mm focal length typically indicates a wide-angle lens .
There is a massive difference between Optical zoom and Digital zoom. digital zoom f 3.85 mm megapixel 10x driver
If it fails, check the "Device Manager" (Windows) to find the Hardware ID . The "f=3
Because the focal length is fixed (prime lens), the camera doesn't physically move the glass to zoom in. This leads us to the next specification. 2. 10x Digital Zoom digital zoom f 3.85 mm megapixel 10x driver
It allows you to fit more of the scene into the frame. This is ideal for landscapes, group photos, or video conferencing where you want to show more of your background.