Super 500mm f/8 HD Mirror Telephoto Zoom Lens for Canon EOS-M/EOS-M3 Compact Digital Mirrorless Cameras High Definition, super multicoated glass optics with anti-reflection coating for the sharper images Manual focus, compact, lightweight digitally-optimized telephoto lens Great for the wildlife or nature photographer who wants to be hidden while taking photos of the subject Gives you the equivalent of looking through a pair of 20x power binoculars Includes Soft pouch and three (3) rear mounted, 30.5mm filters, (ND-2X, ND-4X & Skylight)