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

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  1. R

    UV filter or no UV filter: that is the question!

    I'm afraid I can't recall although I know it wasn't at the cheaper end of the market though.
  2. R

    UV filter or no UV filter: that is the question!

    when I first bought my 100-400mm lens, I also bought what I thought was a decent quality front end filter. I travelled to Morocco and when I got back I ended up throwing away virtually all of my images which exhibited "ghosting" to some degree or other. I threw away the filter and have been...
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