Sigma Announces 4.5mm F/2.8 EX DC Circular Fisheye HSM Lens for Sony and Pentax CamerasSigma Corporation has announced the launch of the 4.5mm F2.8 EX DC CIRCULAR FISHEYE HSM lens, the first Circular Fisheye lens exclusively for use with APS-C size digital SLR cameras for Sony and Pentax fitting cameras. This autofocus circular fisheye lens has an angle of view of 180 degrees in all directions. When used in conjunction with digital SLRs with APS-C size image sensor, it produces circular image within the frame.
Read MoreSource: CameraTown.com (2008-09-23 10:00:24)