I have not found any comparisons.

Schneider Angulons f/6.8 are used to be described as Dagor type/design/formula lenses (they are 6-element, 2-group, symmetric design). Like some Dagors they also suffer (probably even more) from softening of the image close to the edge of the circle of illumination.

Refer it only to images they produce, do you find more differences or similarities between them? Where they in quality and character are the same and where differ?