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Item will ship when stock arrives.
The NiSi Sigma 12-24mm f/4 HSM Art Series Adapter for NiSi 180mm Filter Holder made from aviation-grade aluminium and is compatible with the NiSi 180mm Filter Holder For Canon 11-24mm to allow the use of the NiSi 180mm System on the Sigma 12-24mm f/4 HSM Art Series lens with NO vignetting in a full 360 degree rotation.
- Vignetting free using the 180mm system Canon 11-24 filter holder even at 12mm
- Use the 180mm system Canon 11-24 filter holder also on Sigma 12-24mm F4 lens
- CNC machined from a single block of aviation-grade aluminum.
- With matte black frosted finish on the surface.Gasket to prevent any light leaking.
- The 180mm System Holder for the Canon 11-24mm 4.0L is sold separately and not included