11/29/2022 0 Comments Dienstglas serial numbers![]() The listing also states that these are Nitrogen-filled - how likely is it that the Nitrogen filling will have leaked out by now? Which leads me onto my next question - is there any way of dating these by the serial number or anything? These have a serial number of 892825 - would it be a simple as the '89' being the year of manufacture? They are also marked 'DIENSTGLAS', is that German for military-spec bins or something similar? I know that German military bins seem to have had this stamped on them since at least WW2. It will be interesting when I get these to compare them to my more modern 10x32BN Leica roofs to see how these old Porros compare! Depending on how bad this is I'm toying with the idea of getting these sent off to somewhere like Optical Repairs who I believe have an excellent reputation. The description states that 'the left tube is a bit polluted, the view is a bit affected, but you have full service and a good view'. Just bought a rather used pair of the above off Ebay for about £70 inc. ![]()
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