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

leitz

  1. Ignatius

    Engravings German WW1 naval binos

    Looking through the internet I have come across several old German naval binoculars from WW1 which have arcane formulae engraved on them. These have the form E = n x G. On one of those binoculars, a D.F. 7x50 from 1918 with a FOV of 128 m, n = 7.8 (coincidentally? 1000/128 = 7.8) and on the...
  2. A

    how to open the oculair of a trinovid 8x20 BC

    helo, I have a problem with my binoculairs, the lock screws of the focusing system are loose I think I have to open the oculair, but ...how to?... does have any body an idea how to open the binoculairs. or does anybody have a repair manual.. thanks in advance! Arnoud (from holland.)
  3. I

    Leitz 6x24 not showing 'Amplivid'

    Hello everybody, I have a nice Leitz 6x24 pair in my binoculars collection. It is obviously the wide angle Amplivid model, but it does not show this. It has all the other markings, like '6x24', '212m/1000'. 'E.Leitz Wetzlar' (and serial number 556647). I once had an other Leitz 6x24 pair with...
  4. D

    Servicing Leitz

    Good evening. My wife and I have a pair of Leitz Trinovid 7x42B Serial no. 730881 and Leitz (Leica) Trinovid 10x42BA Serial no. 1136642. We currently live in Dundee, Scotland. Can anyone recommend where we can get these serviced? I am prepared to send then to Leica Germany if necessary. Also, I...
  5. P

    Lanthanum glass in Leitz binoculars?

    Just happened to read a couple of articles discussing the use of lanthanum oxide in old Leica lenses (here and here, if anyone else is interested). As I understand it, these were, in effect, the ED glass of the day, enabling chromatic aberration to be reduced. It begs the question: did any of...
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