Dedicated to the Hasselblad XCD 21mm f/4 lens, this Lens Shade helps to minimize flare by deflecting stray light from entering the lens. The hood also provides additional protection from accidental im more→pacts, bumps, or scratching. Hasselblad Lens Shade XCD 21mm Dedicated to the Hasselblad XCD 21mm f/4 lens, this Lens Shade helps to minimize flare by deflecting stray light from entering the lens. The hood also provides additional protection from accidental impacts, bumps, or scratching. Key Features: For XCD 21mm f/4 Lens Blocks Stray Light from Entering Lens Protects Lens from Impact