NiSi Brass Pro 72-77mm Step-Up Ring

Allows 77mm threaded filters to be used on lenses with 72mm standard filter threads. Features a durable brass frame. Knurled sides provide an easier grip. Designed to prevent binding and jamming and be easier to remove than standard aluminium step-up rings. Has an anti-reflective treatment inside the frame to minimize reflections. Features a matte black finish. The anti-reflective treatment is suited to long exposures.