Why an I hearing sound while focusing my camera on my Lumia 720?

[Nithin Paul]

Why hearing sound while focusing camera in my Lumia 720

Hearing sound while focusing camera

 

[xandros9]

Re: Why hearing sound while focusing camera in my Lumia 720

If its loud and grating, maybe something is wrong.

But focusing involves moving parts, so I would think there's going to be some degree of noise.
Now if its just started happening, I might be concerned.