Adorama Metal 37mm Conversion Lens Adapter for the Canon PowerShot S30, S40, S45 & S50 Digital Cameras.

This is a Filter adapter that has 37mm threads for adding lenses and filters to your Canon S30,S40 and S45. They are all anodized black and made of 6061 aluminum. The base plate that rests against the camera is made of Delrin plastic to eliminate scratching. These also have a tripod thread under the adapter for attaching to a tripod. The adapter allows you to turn the camera on and off while staying on the camera!!