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

US-Army WWII glasses code identification (1 Viewer)

Thanks for links and pictures. yes, mine is therfore a true A1, has the original A1 eycups as seen right in the picture...

I still have not figured out if there is a way for me to relubricate the eyepieces with minimal work.

Do I have just to remove the screw in the picture and them loosen the ring with the number on it?
 

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Yes, remove the small screw then unscrew and remove the ring with a number on it. Then the focus ring with diopter scaled is simply pulled off. I believe you will then see an aluminum or brass ring screwed into the top of the ocular tube. Unscrew and remove this ring. Then the eyepiece cel can be unscrewed and removed from the ocular tube for cleaning and relubricating the threading, but when unscrewing the eyepiece just before it comes free from the ocular tube make a small witness mark on it so that when you reinsert it into the ocular tube after cleaning you'll be able to put it back in the exact same location it came out.
 
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