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

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    Choosing pocket binoculars

    ReinierB, post 3, I have described our spectroscope in detail in this forum (including the reference to the scientific paper in which the spectroscope is described) , its construction and accuracy is published in international scientific journals. We were asked by a company to compare our data...
  2. G

    Choosing pocket binoculars

    Reinier, post 1, On the basis of my investigations of a number of 20 and 25 mm compacts, see the test reports on the WEB-site of House of Outdoor I would go for: -1- the Swarovski Curio 7x21: weight 255 g, eyerelief 16 mm, FOV 135 m/1000m, light transmission over a broad wavelength range...
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