20 Most Recent Zeiss Classic B T* Compact Pocket 522033 Binocular Questions & Answers

Two choices.
1. Take them back to where you bought them for return to Zeiss for repair.
2. Take them to a service repair centre for repair.

No other choice is available to you.

you should be able to get a treded ring for the zeiss glases but its going to be pricy, give zeiss a bell

Remove cover plates which are glued in ; use a pin to lift covers and use alen key to tighten.( make sure your alen key is the right size -has to fit properly otherwise you will not loosen ).

Around 1930 https://www.google.com/search?q=Manufacturing+date+of+my+Carl+Zeiss+Deltrintem+8x30+binoculars ..

If you are happy with the performance, why worry ?

fixya does not do appraisals.

1969 is the year of manufacture http://www.europa.com/~telscope/zeissbin.doc .

They were made in 1979 http://www.europa.com/~telscope/zeissbin.doc From this site http://www.europa.com/~telscope/binotele.htm Got from this site https://www.birdforum.net/threads/carl-zeiss-binos-serial-numbers-list.105944/ From this search query after correcting your spelling https://www.google.com/search?safe=off&rlz=1C1QJDB_enCA643CA644&sxsrf=ALeKk02gRMSoPXB3LEXi4JM23kb3qn8C6Q%3A1610920925119&ei=3bMEYKO_Bqyi5NoPrKCquAQ&q=Carl+Zeiss+Jena+Jenoptem+8x30w+binoculars+serials ..

Year of manufacture is 1928 http://www.europa.com/~telscope/zeissbin.doc ..

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Use the focus control. Look in the manual.

The focussing wheels are in the middle of the hinged mount - rotate them until the image is in focus.

http://www.med.unc.edu/medicine/im/files/enhanced-care-files/Visucam_QuickInstructions.pdf Free scanned copy at University web site. http://www.med.unc.edu/medicine/im/files/enhanced-care-files/Visucam_QuickInstructions.pdf

Why not consult the store where you bought them ?