Venus Optics Laowa 100mm f/2.8 2x Ultra-Macro APO full-frame lens for Nikon F-mount now available for pre-order - Nikon Rumors
Amazon.com : Laowa 100mm f/2.8 2X Ultra Macro APO SLR Black Macro Lens – Camera Lenses and Filters (SLR, 12/10, Macro Lens, 0.247 m, Sony E, Full Frame) : Electronics