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

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  1. J

    Astroscope + DSLR = Gallery!

    Hi Jules, thanks a lot for this comment It's a kestrel (Lat. Falco sparverius), photographed in the botanical garden in Stuttgart-Hohenheim Jörg
  2. J

    Introduction and question to the aperture of scopes

    Hi, thanks for all informations and links. I also talked to an optics specialist. The position at the back of the focuser is optically not ideal. According to his opinion, - the aperture should be fixed at the tube - just behind the lens. This fits to Dan's statement "half way in between the...
  3. J

    Astroscope + DSLR = Gallery!

    Thanks Tord. ... and some close-ups with TLAPO804 and a lot of spacers Jörg
  4. J

    Introduction and question to the aperture of scopes

    Hi Dan, thanks for your reply. :t: Google Translator and leo.org and the rest of the knowledge of a lazy student and a lot of time :t: The mounting in the focuser is not complicated if the diaphragm is not adjustable. Your idea with the adjustment inside (the small lever right in the...
  5. J

    Astroscope + DSLR = Gallery!

    Some examples, Pentax K3 II with TS APO 80/480 Hi, let me sharing some photos from the past years. All taken with TLAPO804.
  6. J

    Introduction and question to the aperture of scopes

    Hi all photographers and experts/tinkers/inventors and birders here. A very big praise to all. A great forum with very familiar terms and a lot of tipps and knowledge and wonderful pictures. For years, I am a "read-only-user" of this forum, because my English is not really good (SORRY!) Google...
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