Two new OWL drop-in 52mm filter adapters for Sony E-mount cameras were announced in Japan: one for Canon and one for Nikon lenses. These new adapters will let you insert a 52mm filter between the lens and the camera (via DCWatch).
- Designed for using Canon EF lens on Sony A series mirrorless cameras
- Interchangeable plug-in graduated ND filters (four steps)
- High-speed auto-focus function
- Phase detection AF compatiblee