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

HDF 40858 Question (1 Viewer)

Patch67

Patch Hopcroft
Could anyone tell me if there would be a noticeable difference optically between the last version of the HDF 40858 with the twist up eyecup and the previous version (also designated 40858) with the fold down eyecup? Scope is the HR66 GA ED latest version.

Patch
 
No difference at all - only the eyecup changed. The only caveat would be whether the fold type version was sufficiently old/poorly looked after to be seeing any degradation in coatings or other deterioration.

HTH

Cheers, Pete
 
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