Zyhongyi Optics (ZY Optics) is also rumored to be developing autofocus lenses, similar to several other Chinese lens manufacturers (Yongnuo, Meike, AstrHori, Sirui, 7artisans, TTartisan, Viltrox, Venus Optics). The focal length of the first Zhongyi Optics autofocus lens is expected to be between 35mm and 85mm. See the current ZY Optics lens lineup here. Previous … Continue reading Zyhongyi Optics (ZY Optics) is also rumored to be developing autofocus lenses