This shutter release button is made of copper. It's polished and enamel painted.
It's very comfortable to press on the button. The button surface and edge are very smooth
The screw thread is carefully designed and tested. It fits the cameras with screw hole on the shutter release button
Material: Copper Color : Black, Red ,Silver
Suitable for: Leica M rangefinder cameras include film M3 M6 MP, digital M8 M9 M9P etc.; SLR cameras like most Nikon, Canon,Hasselblad, Olympus, Minolta,Rolleiflex,FUJIX100 SLR cameras.