First thing first, despite the ultra-wide angle, Canon’s RF 10-20mm lens is a rectilinear lens, not a fisheye. It features one Super UD element, three standard UD elements, and three aspherical ...
Sold as either the Samyang or Rokinon AF 14-24mm f/2.8 FE for Sony cameras, this ultra-wide zoom also has input from German optical giant Schneider-Kreuznach ...