The ARRI LMB 4×5 Clamp Adapter 104 mm is a rear clamp-on plate that attaches the matte box to lenses with a 104 mm front diameter, creating a light-tight seal.
The adapter lets you use the LMB 4×5 without rods on light and handheld rigs. To change to a lens with a different diameter, only the adapter needs changing – ARRI offers a range from 80 to 162 mm.
Ideal for
Why ARRI LMB 4×5 Clamp Adapter 104 mm
- Light-tight connection – Prevents light leaking between the lens and the matte box.
- No rods – The matte box mounts on the lens, keeping the rig lighter.
- ARRI system – Part of the LMB modular clamp adapter range.
- Quick change – Adapters are exchanged according to the lens diameter.
Key specs
| Type | Clamp adapter (rear plate) |
|---|---|
| Mount | clamp-on for lens |
| Lens diameter | 104 mm |
| Weight | 225 g |
Compatibility
| Compatibility | LMB 4×5, LMB-5, LMB-15, LMB-25 |
|---|---|
| Lens examples | ARRI LDS Ultra Prime 16–135 mm, Cine Xenar III |
| Manufacturer marking | K2.0014422 |
