A:球面収差 ..... Spherical abberation
B:非点収差 ................... Astigmatism
C:歪曲収差 ...................... Distortion
7 grp / 8 elm

This article was published 1980/Jul, so the result of the first generation 35-70/3.5.
The second generation(no macro) was a bit better, and the third with macro was even
better than the second one IMO. The first two versions were also OEMed for Leica.
See > http://www.pbase.com/kkawakami/leica_vario_elmar_r_35_70mm_f35_e60
Also > http://www.pbase.com/kkawakami/rokkor_md_zoom_35_70mm_f35_macro