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

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  1. John A Roberts

    Light throughput equation

    Hi kimmik, It’s a bit hard to evaluate the general application of a single technical paragraph, in relation to two types of polarising prisms, where the significant difference is whether there is an air gap. But what it seems to be indicating more generally is that (unsurprisingly), for a...
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