The Zhong YI Optics Speedmaster 85mm f/1.2 lens for Pentax K-mount is now shipping. The US price is $699. Zhong YI Optics Speedmaster 85mm f/1.2 lens main specifications and additional pictures: Focal length 85 mm Total length / diameter / weight 94 mm / 82 mm / about 920 g Aperture range F1.2 – F16 … Continue reading Zhong YI Optics Speedmaster 85mm f/1.2 lens for Pentax K-mount released