The Sigma 8mm f/4 EX DG is a

photographic lens A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capab ...

made by the

Sigma Corporation is a Japanese company, manufacturing cameras, lenses, flashes and other photographic accessories. All Sigma products are produced in the company's own Aizu factory in Bandai, Fukushima, Japan. Although Sigma produces several camera models ...

. It is a circular

fisheye lens A fisheye lens is an ultra wide-angle lens that produces strong visual distortion intended to create a wide panoramic or hemispherical image. Fisheye lenses achieve extremely wide angles of view, well beyond any rectilinear lens. Instead of p ...

for full-frame cameras, and has been replaced by the Sigma 8mm 3.5 EX DG.

External links

Sigma 8mm f/4 EX DG
official page 008mm f/4 EX DG Fisheye lenses {{photo-stub