LEE 230638 Adapter Ring SW150 for Filter Holder Tamron/Pentax 0.6-1.2 inches (15-30 mm)

The "LEE Adapter Ring SW150 Filter Holder for Tamron / Pentax 15-30mm " is an adapter ring that is required to attach the LEE SW150 Mark II filter holder (sold separately) to your lens. This item is for the Tamron SP 15-30mm F/2.8 VC USD Ultra Wide Angle Lens or Pentax HD PENTAX-D FA 15-30mm F2.8ED SDM WR Secure with 3 rings Specific lens types consist of 3 rings: front ring (black and small), compression ring (red), lock ring (black and large). This will keep the lens and ring securely in place. You can even use a super wide angle lens for shooting using a square filter. Please use with the LEE SW150 Mark II Filter Holder (sold separately). Please use a universal screw type adapter ring (sold separately) when using other lenses.