Neewer 52MM 2x Telephoto Conversion Lens with Lens Bag,for Nikon D3000, D3100, D5000, D5100, D7000, D7100, D600, D610, D700, D750, D800, D800E, D810 Digital SLR Camera This 2x professional telephoto conversion lens has been designed to meet the highest optical standards for it's type in the photography industry. As it fits on any 52mm thread, it in turn allows further use of any 52mm thread filter, for even greater versatility, image enhancement and special effects capability. High definition optical resolution Professional High Speed Auto Focus Maximize day and night shots by providing maximum light and image transmission