The lens cap is snap-on design that offers a quick and easy attachment to the selected Nikon Nikkor lenses. The Nikon lens cap is compatible with Nikon lenses with 77mm cap threads. The lens cap is best protection to the lens while travelling or out door activities. The lens cap protects the lens front element from scratches, dust and accidental damages. The lens cap is constructed from durable material and can perform for a longer period of time. The lens cap is an affordable accessory with great benefits.