Sigma推出 4.5mm EX DC Circular Fisheye HSM
http://www.dpreview.com/news/0711/sigma_45_28_ex_dc-001.jpg4.5mm F2.8 EX DC CIRCULAR FISHEYE HSM
[*]The first 180 degree circular fisheye lens designed specifically for APS-C size digital SLR cameras[*]Fast F2.8 maximum aperture making it ideal for low light photography[*]Minimum focusing distance of 13.5cm and a maximum magnification of 1:6[*]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 哇wide到丫~ 個成像成個圓形, 一般真係好難用得到~:lol 其實呢d 4.5mm既鏡同魚眼有咩分別???? some samples
http://www.pbase.com/sherpa/fisheye
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