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

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  1. chris murphy

    Kowa TSN823m juddery focus knob

    Evening all I have purchased a Kowa TSN823m with a 32x wide eyepiece from a well known online auction site. It looks in reasonable condition but having just test-run it in the field I have issues with the focus knob, it is not smooth when making small adjustments and is a bit 'juddery', making...
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