The "f" stands for focal length. A on a small-sensor camera (like a webcam or a "point-and-shoot") indicates a wide-angle lens .
Unlike optical zoom, digital zoom enlarges a portion of the existing image by cropping into the pixels. This can lead to a "blurred" or pixelated effect as the magnification increases. Megapixel: digital zoom f 3.85 mm megapixel 10x driver
If you need a manual file, sites like Driver Scape host generic "USB Webcam" or "1.3 MP Webcam" drivers that are compatible with these specifications. Technical Specifications Based on merchant listings for this specific focal length ( ), here are the typical capabilities: Camera doesn't work in Windows - Microsoft Support The "f" stands for focal length