Balanced support head for video/photographic equipment, comprising: - a base, - a platform to which said equipment can be detachably fixed, said platform being fixed to said base so as to oscillate about a substantially horizontal axis of oscillation, and also - a balancing device capable of offsetting the oscillation of said platform about said axis of oscillation caused by the weight of said equipment and of said platform, wherein said balancing device comprises: - a spring fastened to said base and extending towards said platform along a substantially vertical axis of said base, which axis intersects said axis of oscillation; - an abutment element fastened to said platform and abutting one end of said spring facing towards said platform; and - an adjustment mechanism configured to adjust the distance between said axis of oscillation and said abutment element; wherein said abutment element abuts said spring at a predetermined distance from said axis of oscillation, so that when said platform is oscillated relative to said base from a vertical balanced position about said axis of oscillation, said abutment element is displaced away from said vertical axis along said end of said spring, which remains fixed relative to said base, such that the force exerted on said abutment element by said spring generates a balancing torque with a sign opposite to the torque generated by the weight of said equipment and of said platform; and wherein said adjustment mechanism being characterised in that it comprises: - a pivot fastened at one of its ends to said abutment element and displaceable along an axis of adjustment connecting said platform to said base, - a control lever protruding from said platform and comprising a shaft that can be rotated about its own axis, said control lever being connected to said pivot by means of a bevel gear comprising a first bevel gear element arranged coaxially at one end of said shaft, and a second bevel gear element axially screw-fitted onto said pivot and engaged with said first bevel gear element, so as to displace said pivot along said axis of adjustment following the rotation of said shaft. - a base, - a platform to which said equipment can be detachably fixed, said platform being fixed to said base so as to oscillate about a substantially horizontal axis of oscillation, and also - a balancing device capable of offsetting the oscillation of said platform about said axis of oscillation caused by the weight of said equipment and of said platform, wherein said balancing device comprises: - a spring fastened to said base and extending towards said platform along a substantially vertical axis of said base, which axis intersects said axis of oscillation; - an abutment element fastened to said platform and abutting one end of said spring facing towards said platform; and - an adjustment mechanism configured to adjust the distance between said axis of oscillation and said abutment element; wherein said abutment element abuts said spring at a predetermined distance from said axis of oscillation, so that when said platform is oscillated relative to said base from a vertical balanced position about said axis of oscillation, said abutment element is displaced away from said vertical axis along said end of said spring, which remains fixed relative to said base, such that the force exerted on said abutment element by said spring generates a balancing torque with a sign opposite to the torque generated by the weight of said equipment and of said platform; and wherein said adjustment mechanism being characterised in that it comprises: said abutment element abuts said spring at a predetermined distance from said axis of oscillation, so that when said platform is oscillated relative to said base from a vertical balanced position about said axis of oscillation, said abutment element is displaced away from said vertical axis along said end of said spring, which remains fixed relative to said base, such that the force exerted on said abutment element by said spring generates a balancing torque with a sign opposite to the torque generated by the weight of said equipment and of said platform; and wherein said adjustment mechanism being characterised in that it comprises: - a pivot fastened at one of its ends to said abutment element and displaceable along an axis of adjustment connecting said platform to said base, - a control lever protruding from said platform and comprising a shaft that can be rotated about its own axis, said control lever being connected to said pivot by means of a bevel gear comprising a first bevel gear element arranged coaxially at one end of said shaft, and a second bevel gear element axially screw-fitted onto said pivot and engaged with said first bevel gear element, so as to displace said pivot along said axis of adjustment following the rotation of said shaft.