Venus Optics Laowa 9mm f/2.8 Zero-D Lens for Canon EF-M. Pairing an ultra wide-angle field of view with an especially compact design, this Laowa 9mm f/2.8 Zero-D from Venus Optics is a Canon EF-M-mount lens offering a 14.4mm equivalent focal length. As a Zero-D lens, this 9mm f/2.8’s optical design is specifically meant to limit […]