Casing for a camera assembly and camera assembly

A casing for a camera assembly, the casing configured for a sealed arrangement at a transparent surface, the casing comprising a camera housing and a gasket holder, wherein the gasket holder is slidably arranged on the camera housing and comprises an opaque funnel for defining a field of view for a camera, whereby the funnel continuously extends between an inner opening at an inner end of the funnel and an outer opening at an outer end of the funnel,

• wherein the camera housing comprises arrangement means for arranging the camera at and/or in the inner opening,
• wherein the gasket holder comprises an annular sealing member surrounding the outer opening for sealingly contacting the transparent surface,
• wherein the casing comprises spring means arranged between the camera housing and the gasket holder for exerting a compression force onto the gasket holder towards the outer end of the funnel,
• wherein the gasket holder comprises one or more sliding legs and the camera housing comprises guiding means constructed for linearly guiding the one or more sliding legs, and
• wherein each of the one or more sliding legs ends in a hook and the respective one or more hooks form-fittingly contact the camera housing for defining a position of the gasket holder maximally distanced to the camera housing.