Zyhongyi Optics announces the Speedmaster RF 20mm f/0.95 ASPH for APS-C
Zyhongyi Optics, famous for their crazy fast aperture lenses has added a new one to their lineup in the form of a Speedmaster RF 20mm f/0. 95 ASPH. The lens is designed for APS-C equipped cameras comes with an RF mount if you so desire. canonrumors.com »