Opteka Titanium Series 72mm 0.3X HD Ultra Fisheye Lens for Sony DSR-300, HDR-AX2000, HDR-FX1, HDR-FX1000, HVR-S270, HVR-Z1U, HVR-Z5U, HVR-Z7U and HXR-NX5 Professional Video Camcorders Direct 72mm mount. Includes 72-72mm spacer ring HD, super anti-reflective scratch resistant multicoated glass optics for sharper images Produces an extraordinary degree of barrel distortion resulting in a 130 degree horizontal angle of view Exaggerates depth, pulling nearby objects closer and causing distant objects to recede into the background 5 Year warranty