0.3x high grade fish-eye lens for the jvc gy-hm170ua

The 0.3x super fisheye adapter provides an extreme fisheye effect and a high degree of barrel distortion without vignetting it exaggerates depth by pulling nearby objects closer and causing distant objects to recede into the horizon. advances in high-index / low-dispersion optical glasses, new barrel materials, and anti-reflection coatings, along with the latest in computer-aided-design / computer-aided-manufacturing greatly reduces the appearance of lens flare and ghosting caused by reflections bab (internal black almite barrel) black matte satin finish which reduces reflections. brg (black rimmed glass) reduces the chance of light reflecting off the edge.