Some of these 8 x 60s had rubber eye shields with ventilation holes, permanently attached with a metal ring that allows them to rotate. Seeger thinks it unlikely that a center focus 8 x 60 H was actually produced, or that this expensive model was actually retailed before the second World War. Some 8 x 60 H models had illuminated reticles. In about 1939, the 8 x 60 H was retired, and replaced with a D.F. 8 x 60 of similar appearance but different optical design. Such a glass gives impressions and images which remain in the inner eye of the observer for many years, like a photograph.
Rare models have an illuminated reticle in the right ocular.
More common is a reticle with a perpendicular sighting line, used in air defense, torpedo shooting, or Kommando devices. Many wartime photos show them used on submarines, torpedo boats and larger warships. It is sometimes heard that the 8 x 60 models which have 'M.S.S.' markings have a different ocular with a larger eye lens, but this is not correct. In the Museum of Optics in Jena, from the postwar production of VEB Zeiss Jena, are parts from a Porro II prism system that resemble the 8 x 60 in fig. 217 as it was built until the end of the war.