My Fuji lenses go down to 16mm, but very occasionally I have a use for a wider optic. You probably realise that this is a manual focus lens.
Samyang 12mm F/2.0 NCS CS Lens for Fujifilm X-Mount Black with polarising filter
SAMYANG 12mm F2.0 NCS CS for Fujifilm X
12mm F1.2 1 Mega Pixels Fixed IRIS IR CCTV Lens CS Mount Lense for IP Camera
Samyang F3.5/8mm 1:3.5 8mm UMC Fish Eye CS II - Cannon EF Mount Lens
Samyang 8mm F3.5 UMC CS II Fisheye Lens - Canon EF mount - fully manual
Samyang 300mm F6.3 UMC Cs Prime Mirror Lens Olympus Micro Four Thirds Panasonic
