Abstract: A semiautomatic cover-sliding structure including a main body, a cover, and an auxiliary device is provided. A first surface of the main body includes a trench. The cover includes a clasp corresponding to the trench for sliding the cover on the first surface of the main body. The auxiliary device is disposed between the main body and the cover. The auxiliary device includes a first fixing end attached to the main body and a second fixing end attached to the cover. The auxiliary device assists the cover to slide along a first predetermined direction with a recovering force.

Abstract: A mobile phone and a camera thereof. The mobile phone comprises a main body, a camera lens disposed in the main body and a lens module having a plurality of optic lenses selectively covering the camera lens. The lens module can slide on a track thereby changing the optic lens covering the lens.