Adorama has about $100 off of the Venus Laowa RF 12mm f/2.8 Zero-D which you can buy today for only $819 (Reg $925).
Laowa RF 12mm f/2.8 Zero-D Key Features
Fixed Focal Length: Focal Length: 12mm
Lens Type: Wide Angle Lens
Image Stabilization: Image Stabilization: No
Special Features: Aspherical
Venus Laowa RF 12mm f/2.8 Zero-D $819 (Reg $925)