A webcam's stated resolution is only one factor in how you appear on a call. Lens quality, exposure handling, color, and the room's lighting all affect the result. Decide whether you need a fixed view of one person or a wider frame that includes several people. A privacy shutter can be useful, and a stable mount helps keep the camera aimed where you want it.
Check how the camera connects to your computer and whether it works with the video apps you use. Some webcams offer autofocus, adjustable framing, or a built-in microphone, but these features vary in usefulness. For regular calls, an external headset or microphone may capture your voice more clearly than a camera placed across the desk. Confirm that your computer recognizes the device and that the app is using it as the selected camera.
Place the webcam near eye level and face a soft light source rather than sitting with a bright window behind you. Keep the background simple and test framing before an important meeting. Close other applications that may be using the camera, and review app permissions if video is unavailable. Clean the lens gently and use consistent lighting to improve image quality without relying on excessive filters or digital effects.