ebay (via bestpriceoptics) has the Rokinon 8mm f/3.5 fisheye lens for $189.99 (reg. $229) in limited quantity. The lens is available for Canon, Nikon Sony A, Sony E, Pentax and Olympus mounts. Check it out here on ebay.
Lensbaby has announced a new 5.8mm f/3.5 Circular Fisheye lens for Canon and Nikon APS-C DSLRs. It’s a manual focus lens with a close focus distance of 1/4″. The lens barrel features a focus distance scale and hyperfocal scale.
The lens produces a complete circular inside the image sensor frame with a 185° angle of view.
The Lensbaby 5.8mm f/3.5 circular fisheye lens retails for $299.95. Check it out here at B&H Photo.
B&H has the Lensbaby Scout mount with 12mm fisheye lens for $149.95 (reg. $249.95). The lens kit is available for Canon, Nikon and Sony mounts. Check it out here at B&H Photo.