"LEE Adapter Ring SW150 Filter Holder Only for Nikon AF-S NIKKOR 14-24mm f/2.8G ED" 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 Nikon AF-S NIKKOR 14-24mm f/2.8G ED Ultra Wide Angle Lens

■ 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.