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

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  1. T0ny

    Telescope stability

    I found that using a spring washer (is that the right term, any engineers on forum ? It's a washer with a split in it, which is not quite flat, so compressing it tightens it) between two normal washers on the 'pan' screw on my 128 RC gave me added fingertip control - so far (touch wood) the only...
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