Remote-controlled continuous zoom lens with liquid

The invention discloses a remote-controlled continuous zoom lens with liquid, comprising a zoom component, a hollow rubber tube and a control component, wherein the zoom component comprises a main body, an upper cover plate arranged on the main body, and a lower cover plate arranged below the main body; the main body is formed by connecting an upper inner sleeve with a lower outer sleeve; the exterior of the inner sleeve is step-shaped, and a sealing ring is arranged between the step part at the lower part of the inner sleeve and the outer sleeve; a transparent elastic membrane is sheathed at the lower end surface of the inner sleeve and is pressed by the sealing ring; a chamber is formed among the transparent elastic membrane, the outer sleeve and the lower cover plate and is filled with the liquid; a vent and a liquid inlet mouth are respectively arranged at two sides of the lower part of the outer sleeve and are communicated with the chamber in the outer sleeve; the liquid inlet mouth is sealed by a sealin