Yes, all Xenars for the Rollei TLR's were of the four element design. 3,5/75 (and a few 4,5/75 for the late Rolleicord II).
Originally Posted by Dan Daniel
Not really, Schneider also made four element f:2,9 and f:2,8 Xenars during the same period, so it's confusing. The five element Xenar was made in 50 and 75mm focal lenghts and the production started in 1935/36. I'm not sure if they still made them in the 1950's? The 2,8/50 Retina-Xenar from the 50's has four elements.
Originally Posted by AgX
I was surprised when I found that the 2,8/50 Xenon on my pre-war Retina has the five element Xenar design. Even though it's uncoated it's much sharper at larger apertures than the coated post-war four element 2,8 Xenar.
The five element 2,8 Xenar and 2,0 Xenon:
Last edited by JPD; 10-01-2012 at 06:42 PM. Click to view previous post history.
J. Patric DahlÚn