Sigma Announces 4.5mm F2.8 EX DC Circular Fisheye LensSigma today announced the launch of the new 4.5mm F2.8 EX DC CIRCULAR FISHEYE HSM lens with an F2.8 large aperture which produces a bright image in the viewfinder and allows photographers to take pictures in low light conditions, making it an ideal lens for Astrophotography and Aurora photography. This circular fisheye lens has an angle of view of 180 degrees in all directions and is exclusively designed for digital SLR cameras with the APS-C size image sensor. Pricing has not yet been announced.
Read MoreSource: CameraTown.com (2007-11-13 21:00:18)