William Optics M48 Adapter Sony E-mount 48 mm: your Sony E-mount on the flattener
The William Optics M48 adapter connects your Sony E-mount camera to accessories with an M48 thread, such as William Optics flatteners and reducers. The adapter clips onto the Sony E-mount bayonet and screws into the M48 connection on the other side.
M48 has a larger clear aperture than a classic T2 mount. This prevents vignetting (dark corners), especially on larger sensors. The gray aluminum version with a grip ring tightens comfortably, even with cold hands.



Features
- Bayonet side: Sony E, telescope side: M48
- Larger gap than T2, less vignetting
- Gray aluminum version with knurled ring and filter thread
- Exact fit, camera without play perpendicular to the optical axis
Compatibility
For Sony E-mount system cameras. The filter thread accepts standard 48mm filters, directly in the train.
Specifications
| Camera connection | Sony E |
| Telescope silk | M48 |
| Material | Aluminum, gray |
| Filter thread | Yes, 48 mm |
You can find more accessories for this merk at the William Optics merk Page.





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