Note for consumers: please note the following when using the lens pen: 1. Push the brush forward out of the protection chamber using the Black slide. Remove the dust particles using the lens brush. 2. Remove the opposite cap. Slowly remove the dirt using the special velvet in short circular movements. 3. For difficult to remove dirt, breathe on the lenses and repeat procedure. Not suitable for cleaning camera mirrors. The lens pen is only suitable for small optical surfaces. Technical details: - recommended use: photo/video - set contents in pieces: 3 - component: air blower/lens pen/microfibre cleaning cloth