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

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  1. S

    New Sigma 150/600

    I've found the software very good, I will admit I also noticed light being an issue so put the target in my shed and fitted 4 60w halogen lamps aiming at the target which seems to have removed the light issue, FoCal now tells me I have a 12.5ev value so I'm happy with that. Unless I was testing...
  2. S

    New Sigma 150/600

    Barred Wobbler Not sure if this will help, but I've been using FoCal to tune my lenses (link below). What I did was to set my camera up with say 150mm zoom, then do a lens adjust via the camera with the target at approx the right distance as per Sigma fine tune, made a note of required...
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