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

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  1. D

    NL focus question

    an 8x32 has an exit pupil of 4mm. This size is an ideal, very suitable size for astronomy. One SLC 15x56 - ~4mm / one EL 10x50 - 5mm / SLC 10x42 - 4.2mm - glasses that show excellent star imaging. My EL 8x32 also shows this quality. It could also be due to the large field of view of the NL and...
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