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  1. njlarsen

    New Sigma 150/600

    I would test the IQ with and without that filter. I have yet to see a test where the filter did not noticeably diminish the IQ. (but your filter might be that rare quality that beats the odds). Niels
  2. njlarsen

    New Sigma 150/600

    Snakemeister, welcome to birdforum (even if you have been lurking for a while ;) ) Niels
  3. njlarsen

    New Sigma 150/600

    Both are good, Juza's possibly a little better. Distance is the biggest unknown here. Niels My post was in response to Isaac's
  4. njlarsen

    New Sigma 150/600

    So exactly for that reason, each of you need to consider: was this post really necessary? Niels
  5. njlarsen

    New Sigma 150/600

    And maybe it is just me, but several posts from several different posters have to my mind gone down a wrong track. I do not think it is as bad as Steve posted about in the first post of this thread, but please pull back a little on all sides. Niels
  6. njlarsen

    New Sigma 150/600

    The D800 shot seems over-sharpened/over-processed to me to an extent where I would be ashamed of publishing it. I prefer your image with the tammy. Niels
  7. njlarsen

    New Sigma 150/600

    The lenstip review states better quality overall. But 4 kg once there is a camera at the end of it means it is outside my weight-class Niels
  8. njlarsen

    New Sigma 150/600

    I do not understand. Most times at 600mm or longer, the depth of field is so narrow that most cameras benefit from stopping down. A full frame camera has narrower DOF than the corresponding crop camera ,,, What you wrote seems more applicable to wideangle lenses. Niels By the way: sigma has...
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