RVP 2-Pack 77mm Center Pinch Snap-on Lens Cap for Nikon Lens Replacement for LC 77 3rd Party Replacement for the Nikon LC-77 Snap-on Front Lens Cap for lenses that have a 77mm filter thread. Protector for the front element against dust, smudges and scratches when not in use. Affordable price so you can save one as a spare Easy center pinch design allows for removal with most lens hoods affixed