Home > Digital SLR Blog Digital SLR Blog The latest news, info and tips for Digital SLRs, for consumers and pros. Sigma F2.8 EX DC Circular Fisheye HSM Lens added on 2007-11-24 15:19:00 by Tanya Palta Sigma recently unveiled a new lens, which has been designed exclusively for APS-C DSLR cameras. The new 4.5mm F2.8 EX DC Circular Fisheye HSM lens is an auto focus fisheye lens that produces a circular image within the frame. The lens has an 180-degree angle of view and  is perfect for Astrophotography and Aurora photography. Minimum focusing distance is 13.5cm and maximum magnification is 1:6. Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM lens features • First 180° circular fisheye lens designed specifically for APS-C DSLR cameras • Fast F2.8 maximum aperture making it ideal for low light photography • SLD glass minimizes color aberration • Equipped with HSM with full-time manual focus override • Equisolid angle projection method is possible for art and scientific use [Via Lets Go Digital] Tags: Sigma, EX, APS-C, Fisheye << Prev | Next >> Advertisement Most Popular Tags DSLR Reviews Canon News Firmware Cameras lens Pentax Adobe Imaging Top Reviews Kodak EasyShare Z812 IS - 8.1 MP, 12x, $279.99 Fujifulm FinePix A920 - 9 MP, 4x, $199 Olympus SP-560 UZ - 8 MP, 18x, $499 Canon PowerShot SX100 IS - 8 MP, 10X, $299 Nikon D200 - 10.2 MP, DSLR, $1700 Links C/Net DC Resource DC Views Digital Camera Review DP Review Imaging Resource PC Magazine PC World PhotographyBlog Other Reviewed.com Blogs Camcorderinfo Blog Reviewed.Com Blog Wirelessinfo Blog Contact Tips Technical

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