A new AstrHori 6mm f/2.8 full-frame fisheye lens was spotted at the BIRTV show (check the official website for updates):
The new lens will be available for E/L/Z/RF mounts:
AstrHori already has the AstrHori 6.5mm f/2.0 lens for APS-C cameras:
Just announced: AstrHori 6.5mm f/2 fisheye 192° super wide angle lens for E/X/Z/RF/MFT ($129)
Via CanonAddict