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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. TheBlackGrouse

    Various Raptors - South Essex UK - 12th May

    Black Kite, I can work with that! Then we need the six primaries :) Here is one I saw a few weeks ago in the Netherlands. The distance was at least 1 km and it was heavily clouded, but I was able to take some pictures. When closed the tail had a small fork, when spread you got this.
  2. TheBlackGrouse

    Various Raptors - South Essex UK - 12th May

    For me it's all about the process of identifying. When many believe it's an artefact that doesn't make it the truth, it's still an assumption. Don't you think it's strange that the only artefact in that photo covers that whole tail? We cannot ID while ignoring a white tail (with no terminal...
  3. TheBlackGrouse

    Various Raptors - South Essex UK - 12th May

    Agree, could be an artefact on the first one. For me it's not enough to claim a White-tailed Eagle but the image gives that impression. I didn't say that the second one was a White-tailed too. The tail does not fit, wrong shape and too long. Two eagle species in that region in one photo seems...
  4. TheBlackGrouse

    Various Raptors - South Essex UK - 12th May

    The lower one has a white tail. White-tailed Eagles are easy to see in my favorite birding places so I'm familiar with them. Don't know any other raptor with this (wing) shape and a white tail. Or is it a photo artefact? The second one has very long wings (pushed forward) and a long tail with...
  5. TheBlackGrouse

    Various Raptors - South Essex UK - 12th May

    Is this really one photo? No distortion? My first impression is a White-tailed eagle with closed tail and another eagle. The tail looks too long though.
  6. TheBlackGrouse

    Various Raptors - South Essex UK - 12th May

    Don't know, it might be something else. Think we need a new thread for this discussion, I don't like to hijack this one.
  7. TheBlackGrouse

    Various Raptors - South Essex UK - 12th May

    Finding examples is difficult since I usually delete those images immediately. Brand is important too. For instance, Canon and Nikon DSLRs have different optimal shutter speeds because of the sampling frequencies of their IS systems. There are many factors in play but it's not unusual to find...
  8. TheBlackGrouse

    Various Raptors - South Essex UK - 12th May

    Yes, in general you need a fast-moving subject to see the effect. It can happen when panning too and there might be other circumstances for mirrorless camera that make it appear. Sometimes, fast soaring raptors are directly above you, it's difficult to hold the camera steady. It depends on...
  9. TheBlackGrouse

    Various Raptors - South Essex UK - 12th May

    With DSLR cameras the rolling shutter effect can make wings look longer and changes their shape. These days we also have mirrorless cameras, I don't know what kind of distortion they give in certain conditions. Picture number 5 shows very long wings, more like an eagle, I wonder if that's real.
  10. TheBlackGrouse

    Various Raptors - South Essex UK - 12th May

    The Hen Harrier is no problem, do you have more pictures or the other raptors? Is it possible that there is a camera (shutter) effect that makes the wings look longer? What equipment did you use?
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