The Lee 72mm Wide Angle Adapter Ring is the perfect choice for attaching the filters. Specially designed to mount the Lee 100mm filter holders, this adapter ring is a perfect accessory for your camera lens. This adapter ring allows the filter holder to come closer to the lens. This helps in placing the lens much nearer to the lens that helps in further reducing and avoiding vignetting. This adapter ring is also highly durable with its construction from high-quality elements.