An apparatus for detachably mounting filters onto a lens of a photographic device is provided. The apparatus comprises of an adapter assembly and a filter assembly. The adapter assembly comprises a first main frame with a first threaded portion and a second threaded portion, and a first engagement member with magnets disposed towards the second threaded portion. The filter assembly comprises a second main frame with a third threaded portion, a filter, and a second engagement with magnets disposed towards the third threaded portion. The adapter assembly is configured to be received by the lens of the photographic device. The filter assembly is configured to be received by the adapter assembly. A lens cover provided with a ferro magnetic material may be configured to be received by the adapter assembly or the filter assembly.