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  1. WHIMBREL

    The new Sigma 150-500mm lens

    Gentoo, You can keep going around in circles for ever when choosing a suitable lens, I know from personal experience!!! Lots of the Sigma 150-500 OS reviewers have only tested the lens using Canon DSLR's and there were early compatibility problems that I believe have now been rectified. Other...
  2. WHIMBREL

    The new Sigma 150-500mm lens

    I have read as many reviews as possible about the Sigma 150-500 and like you I have to choose eventually between the Sigma and the Nikon 80-400, I also have the Nikon D300. Recently I tested the Sigma 150-500 and was most impressed with the speed of autofocus and the image quality, I was also...
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