Lee SW150 Mark II Adapter for Sigma 12-24mm HSM II Lens

The Lee SW150 Mark II Adapter screws onto the end of the Sigma 12-24mm f4.5-5.6 DG HSM II lens to allow the use of the SW-150 mark II filter holder (not included, available separately). Each adapter consists of a front ring, a compression ring and a locking ring that have been specifically designed for each particular lens. When fitted, they form a collar that remains on the lens at all times. ... More