Abstract: The invention relates to an X-ray apparatus which includes an adjustable X-ray filter. In order to adjust an intensity profile of the X-ray beam, an X-ray absorbing liquid is transported to filter elements of the X-ray filter. Such transport is susceptible to gravitational forces which lead to an irregular hydrostatic pressure distribution in the X-ray filter. In order to reduce the effects of the gravitational forces on the transport of the X-ray absorbing liquid, the duct connecting the filter elements to the reservoir is subdivided into sub-ducts and the reservoir is subdivided into chambers, each chamber being connected to at least one sub-duct. The X-ray apparatus also includes means for keeping the sub-ducts aligned with a horizontal plane.

Abstract: An imaging device is provided with an image sensor element (1) for electromagnetic radiation (11) with a covering body (2) which is transparent and to the radiation (11) through which the radiation (11) can reach the sensor element (1). The imaging device is characterized in that a transparent electrically-conducting layer (3) is provided on the covering body (2) and is provided with two connection electrodes (4, 5) for heating of the covering body (2) with an electric power supplied through the electrodes (4, 5) and dissipated in the transparent layer (3). It is possible with such an imaging device to prevent condensation of a water film on the covering body (2) under conditions where the temperature of the covering body (2) lies below the dew point of the surroundings.

Abstract: A solid-state imaging apparatus comprising a solid-state image sensor which is rotatable around an axis is provided. Adjusting the optical axis at right angles to the solid-state image sensor, aligning the optical axis with the rotational axis and centring the optical axis at the centre of the solid-state image sensor are performed employing adjustment members having a convex spherical contact face and a concave spherical support face. Employing such adjustment means is particularly advantageous when used in conjunction with a solid-state image sensor because such adjustment members are particularly effective in making a light-light construction and in discharging heat from the solid-state image sensor.