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

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  1. W

    Sirui va-5 Head - Horizontal pan lock

    Hi Gzoladz I have the va-5. The pan lock on mine can be tightened enough to make an anticlockwise pan loosen the head from the tripod, plenty enough for me. The other item of note with that function on the va-5 is that because it gets in the way of pointing the scope at zenith I always run the...