M32x0.5 to M49x0.75 step-up ring for Watershot housing and Kern Switar

• Front side - M49x0.75 female thread
• Rear side - M32x0.5 male thread
• Weight - 6 g

You can use this step-up ring to mount some accessories with M49x0.75 mount therad on Watershot Underwater Housing for Samsung Galaxy S3.

Fits many of the older Kern Switar lenses with 32mm filter thread as well.