Settled screw easily, but does not load to a to be constantly up and unscrewed. Ie., The threads of the sun visor as well as the 20-50 mm lens for my NX2000 act not robust enough. I had an old Nikon cover with 58 mm diameter in the cabinet, which can be terminals in the sun visor and then disappears almost completely in her, thus bears almost no outwardly.
