Fotasy RBSet 13mm Soft Shutter Release Button Adapter with Premier Cleaning Cloth The buttons surface and edge are very smooth, very comfortable to press on the button. The screw thread is carefully designed and tested. It fits the cameras with screw hole on the shutter release button. such as Leica M rangefinder cameras M8 M9 M9P, Fujifilm X100, S100s etc. Color: Silver Orange Blue Black Fotasy Premier Cleaning Cloth. Fotasy is a registered trade mark