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

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  1. Hermann

    An interview with Gerold Dobler, leader of the SF design team

    Not sure about that. I talked to a professional birder over here who had been invited to try a 10x42 SF for some time, and he was pretty enthusiastic about the SF. He really liked it. And he's not someone who's all that enthusiastic about any new bin you shove into his hands. As far as I'm...
  2. Hermann

    An interview with Gerold Dobler, leader of the SF design team

    Kowa has been using CaF2 lenses in the objectives of their top scopes for many years now, staring with the venerable TSN3/4. I haven't heard of any problems at all with these lenses. Hermann
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