Method for setting a first position of a first image stabilizing unit in a first housing of an optical system and a second position of a second image stabilizing unit in a second housing of the optical system, wherein - the first image stabilizing unit is arranged together with at least one first rotational angle detector (38, 39) in the first housing, - the second image stabilizing unit is arranged together with at least one second rotational angle detector (41, 42) in the second housing, - the first housing is connected to the second housing by means of at least one hinge bridge, - the hinge bridge comprises a first hinge part arranged on the first housing and a second hinge part arranged on the second housing, wherein the method includes the following steps: - detecting a movement of the optical system by means of the first rotational angle detector (38, 39) and generating a first detector signal which is based on a first measurement coordinate system of the first rotational angle detector (38, 39); - detecting the movement of the optical system by means of the second rotational angle detector (41, 42) and generating a second detector signal which is based on a second measurement coordinate system of the second rotational angle detector (41, 42), characterized in that the method includes the following steps: - transforming the first detector signal into a third detector signal which is based on the second measurement coordinate system of the second rotational angle detector (41, 42), - transforming the second detector signal into a fourth detector signal which is based on the first measurement coordinate system of the first rotational angle detector (38, 39), - calculating a first mean value from the third detector signal and the second detector signal, - calculating a second mean value from the fourth detector signal and the first detector signal, - moving the first image stabilizing unit on the basis of the second mean value, and - moving the second image stabilizing unit on the basis of the first mean value. - the first image stabilizing unit is arranged together with at least one first rotational angle detector (38, 39) in the first housing, - the second image stabilizing unit is arranged together with at least one second rotational angle detector (41, 42) in the second housing, - the first housing is connected to the second housing by means of at least one hinge bridge, - the hinge bridge comprises a first hinge part arranged on the first housing and a second hinge part arranged on the second housing, - detecting a movement of the optical system by means of the first rotational angle detector (38, 39) and generating a first detector signal which is based on a first measurement coordinate system of the first rotational angle detector (38, 39); - detecting the movement of the optical system by means of the second rotational angle detector (41, 42) and generating a second detector signal which is based on a second measurement coordinate system of the second rotational angle detector (41, 42), - transforming the first detector signal into a third detector signal which is based on the second measurement coordinate system of the second rotational angle detector (41, 42), - transforming the second detector signal into a fourth detector signal which is based on the first measurement coordinate system of the first rotational angle detector (38, 39), - calculating a first mean value from the third detector signal and the second detector signal, - calculating a second mean value from the fourth detector signal and the first detector signal, - moving the first image stabilizing unit on the basis of the second mean value, and - moving the second image stabilizing unit on the basis of the first mean value.