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

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  1. RAH

    Some 300mm f5.5 Asanuma samples

    I should have mentioned in my last post that the reason I was trying the 120-600 lens on these cormorants was because I had not had good success with them before using my 70-300 plus EC-14, because it wasn't powerful enough and I was too far away. So I figured - GET MORE POWER. 600mm is 1200mm...
  2. RAH

    Some 300mm f5.5 Asanuma samples

    Well, it sounds good on paper, but like some responses in that thread, I am skeptical about it when he says, "The trick is to look at a subject and know the lens well enough to turn the focusing at the speed which makes the sharp moment pop, and be able to stop PRECISELY at that point." I know...
  3. RAH

    Some 300mm f5.5 Asanuma samples

    I have an E-520 plus the 70-300mm plus EC-14. I use S-AF (single Auto-Focus), and spot-metering. All those pictures I posted above were tripod-mounted, without IS. You can tell when the bird is in focus because the focus-light lights up when you half-depress the shutter. And you can tell that...
  4. RAH

    Some 300mm f5.5 Asanuma samples

    I think that contrast has a lot to do with the light you have. For example, even though shooting in the middle of the day on a sunny day is problematic, it does give you a lot of contrast. On a cloudy day, if a bird is against a dark backgound, it is often really hard to get a good shot, unless...
  5. RAH

    Some 300mm f5.5 Asanuma samples

    That's quite an improvement on the Honeyeater. Concerning your Kingfisher picture and the whole issue of getting close to birds, I think it is REALLY difficult to get close to Kingfishers. They are so skittish that I have never been able to get a good picture of one. I suppose if you do it up...
  6. RAH

    Some 300mm f5.5 Asanuma samples

    I agree that he was rude. I don't post my pictures here because I don't see any reason to do so. I know which ones are pretty good (so should I post them to show off?), and which ones aren't (and I usually know why, so why post them?). Pshute posted his images to get people's reactions. I...
  7. RAH

    Some 300mm f5.5 Asanuma samples

    Well, yes and no. I think it is really difficult (probably impossible) to evaluate a lens under these conditions. If these are 100% crops with no resizing (as he says and I believe him), then these images of birds are cropped from a MUCH larger image. Under such conditions, there aren't many...
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