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

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  1. Overread

    Sigma 150mm Macro with 20mm spacer tube

    True - though its not just the doubleflash - its the use of polarize with the flash and lens at the same time to cancel out the highlights. I think it might be possible with a single flash setup - but I really do need to test it properly. Also good to see the rotational braket working well -...
  2. Overread

    Sigma 150mm Macro with 20mm spacer tube

    Honestly I don't think the glare is that bad! I know of only one sure fire way of removing flash glare totaly as a shooting risk - Cross-Polarization Flash http://www.naturescapes.net/042004/wh0404.htm I need soem polarizer material for my flash before I can try it out myself. Downside though...
  3. Overread

    Sigma 150mm Macro with 20mm spacer tube

    This test here might help you decide - each shot as the lens/TC/tubes used in it listed at the title and each one opens up to fullsize if you want to see it fullsize. http://www.flickr.com/photos/24534478@N04/sets/72157613376911895/ As for image quality loss - remember tubes are still moving...
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