The Ai 135/3.5 is an all new lens with updated optics, considerably smaller and lighter that the previous version. It focuses to 1.3m compared to 1.5m for the previous version, and features a built-in hood.
Version
Serial no
Date
Screws
Engraving
Notes
Ai
193501 < 193628 – 202984 >
Mar77 -
5+
LMIJ
Start serial no from F601 service manual.
Ai
< 204031 – 296559 >
- Sep81
5+
MIJ
From around 22xxxx aperture coupling prong made from pressed sheet metal.
