Gray C
Grumpy old bugger

I have a nice pair of Carl Zeiss Jena 8x30s made in the GDR circa 1957. I was wondering if Zeiss would service these binoculars even though they carry the Carl Zeiss name, but are not true Zeiss, as per the current company?
If so, would they likely update the optics if necessary?
If so, would they likely update the optics if necessary?