With the features you need to produce the sharpest results, Sigma's fixed focal length lenses are perfect for a wide variety of uses.
Their wide and ultra-wide lenses can open an entire new way of producing pictures.
This is a full-frame fisheye auto focus lens that fills entire 35mm negative with a full 180 degree diagonal field of view.
This unique lens enables you to create a variety of unusual compositions even when shooting ordinary subjects.
It accepts removable gelatin filters in a holder near the rear of the lens.
The optical material used in this new lens are lead and arsenic free ecological glass.