Detailed Description:
The Vivitar 37mm Wide-Angle and Telephoto Adapter Lens Kit contains both 0.43x wide-angle and 2.5x telephoto lens adapters, which can be used on lenses with a filter ring diameter of 37mm to either narrow or broaden the effective field of view. Two adapter rings are also included to facilitate mounting of these lenses to lenses with either 30mm or 40.5mm filter ring diameters.