WildRoar presents Rain & Dust Cap, Very handy and Important product for protecting your lens front element from water splash and dust. It is very lightweight and can be used with or without Rain cover. It comes in 4 sizes for perfect fit. Please note that this product is only to be used with Lens Hood expanded and not otherwise. XS size works best for Nikon 200-500 mm. We are offering free shipping for limited period of time.