And two images regarding the B eyepiece, from a 1962 Zeiss West Germany catalogue
The pages are from the premier resource for old binocular pamphlets and catalogues - the Miniature Binoculars site -
Some more info:
• the pre-B version, from a 1958 Zeiss West Germany catalogue
• the B version, from a 1964 Zeiss West Germany catalogue, and
• Kind, Hudemann et al’s classic reference table from: http://home.europa.com/~telscope/zeissbn2.txt
n.b. while the different eyecups provide a quick...