This Sigma 8mm f/3.5 EX DG Circular Fisheye Lens for Canon cameras creates circular images with an angle of view of 180° when attached to a full-frame digital or 35mm film SLR camera. It has a fast maximum aperture of F3.5 and a minimum focusing distance of 13.5cm. Sigma’s super multi-layer coating and Special Low Dispersion (SLD) glass provide excellent image quality for digital and film SLR cameras with effective compensation of colour distortion.
The Sigma 8mm f/3.5 EX DG Circular Fisheye Lens has an integrated auto focus system which performs accurate focusing which can be difficult to obtain through the camera's viewfinder due to the overly large depth of field. The lens is outstanding in low light conditions either indoors or at dusk. This circular fisheye lens has a minimum focusing distance of 13.5cm and a maximum magnification of 1:4.6 making it particularly useful for close-up photography. The filter holder at the rear of the lens accepts gelatin filters
Sigma’s super multi-layer lens coating on the Sigma 8mm f/3.5 EX DG Circular Fisheye Lens for Canon, diminishes flare and ghosting which can be a frequent problem with digital cameras. The coating also helps with optimising colour balance. The Sigma 8mm f/3.5 EX DG Circular Fisheye Lens is ideal for photographers using computer stitching software which requires circular fisheye images to be input.
