Kenko 37mm 0.5X and 2.0X Two Lens Kit MD-05W 0.5x wide-angle lens & MD-20T 2.0x telephoto lens & step rings for 30.5 mm and 30 mm Magnification: MD-05W 0.5x MD-20T 2.0X Lens Construction: 2E/2G Mount Thread: 37mm Adapter rings included: 30mm & 30.5mm