Amazon.com : 2.2X High Definition Telephoto Lens Compatible with Sony HXR-NX3/1 : Electronics
Digital High Definition 2.2X Telephoto Lens (72mm Mount) - Camera Concepts & Telescope Solutions
Lightdow 72mm 2.2X High Definition Affiliated Telephoto Lens for Canon Nikon OLYMPUS Pentax Sony All 67mm Thread Camera Lens
Amazon.com : 58mm 2.2X Telephoto Lens for Canon Rebel T3, T3i, T5, T5i, T6, T6i, T7i, EOS 80D, EOS 77D Cameras with Canon EF-S 18-55mm f/3.5-5.6 is II, is STM Lens :
Digital High Definition 2.2X Telephoto Lens (72mm Mount) - Camera Concepts & Telescope Solutions
Altura Digital High Definition 2.2x Professional Telephoto Lens 58mm Optics | eBay