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

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  1. J

    Kowa 884

    Any theories concerning my last comment?
  2. J

    Kowa 884

    Good to talk to people with logical minds! I swear dodgy diagrams by leading manufacturers have cause no end of confusion! Very grateful for your time. With this in mind, any idea why kowa often favours an offset eyepiece/bulge to one side in their scopes? Larger prisms?
  3. J

    Kowa 884

    Fascinating. But surely the celestron diagram I uploaded is wrong then? No right angles??
  4. J

    Kowa 884

    I can't see the inverted V in either diagram. Perhaps you could help me figure it out. Thanks John
  5. J

    Kowa 884

    This is what I mean by vertical prism placement, in a celestron scope- no offset eyepiece.
  6. J

    Kowa 884

    This is what I mean by horizontal placement, as I image offset eyepiece spotting scopes, such as Kowa.
  7. J

    Kowa 884

    I just about grasp this. Would need a diagram to truly get it. Thanks for your help. John
  8. J

    Kowa 884

    Is it true Kowa arrange their porro prisms horizontally (like porro Binoculars )where as Celestron and opticron vertically (no offset eyepiece)? Thanks 👍
  9. J

    Kowa 884

    Thanks that's brilliant.
  10. J

    Kowa 884

    Much appreciated, thanks
  11. J

    Kowa 884

    C'mon, where's the technical wizards? Thanks John:)
  12. J

    Kowa 884

    What is the prism arrangement for this scope. Can a straight through scope like this use a roof prism? Thanks John
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