2X Telephoto coversion lens Full sizes available with easily installation. 2X Telephoto coversion lensFull size available:37mm,43mm,52mm ... ,55mm,58mm,62mm,72mm.Specification:The 2X Professional Telephoto Conversion lens has been crafted to meet the highest optical ... lens on front of your existing lens for even greater versatility, image enhancement and special effects capa. 2X Telephoto coversion lens