ENHANCED IMAGE QUALITY - Minimizes stray light, preventing unwanted glare and lens flare for clearer, more vibrant photos with richer colors and deeper contrast in various lighting conditions. SUPERIOR LENS PROTECTION - Shields the front of your Sigma 100-400mm lens from accidental impacts, scratches, and the elements, ensuring your valuable investment remains safe during shoots. SECURE BAYONET MOUNT - Designed with a precise bayonet mount, the LH770-05 attaches firmly and securely to your lens, preventing accidental detachment while allowing for quick installation. DURABLE CONSTRUCTION - Crafted from high-quality materials, this lens hood is built to withstand the rigors of professional use, offering long-lasting performance and reliability in the field.