DSC04413
My rotary vacuum union. Made from a PVC union and machined to accept a 3" lip seal with the spring removed. Made one end a bolt on to a flange so I could add a rubbler liner at some point.
Photo Information
- Taken with SONY DSC-W100
- Focal Length 7.9 mm
- Exposure Time 10/400
- f Aperture f/2.8
- ISO Speed 125