Sigma 8mm or 4.5mm???

Discussion in 'Digital Photography' started by Hans86, May 7, 2008.

  1. Hans86 macrumors newbie


    Nov 16, 2007
    Nashville, Tn
    Hey guys,
    Ive got a Canon Rebel XTi, and i want to get a fisheye lens for it...ive looked up some pictures on Flickr of each of the sigma wide lenses in use and can't really notice a huge difference between them. is there any? I'm looking for a lens that can do the full fisheye circle without any cropping at the bottom or top. Ive seen picture from both doing this and not, and can't tell if its people cropping their photos or thats just as wide as it goes. Not to mention, about a 300 dollar price difference... Someone please help me out.

  2. form macrumors regular


    Jun 14, 2003
    in a country
    The 4.5mm is designed specifically for crop sensor cameras like the XTi.

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