Black metal body (no silver ring). Yellow 'EE' markings. Plastic focus grip. The specific lens used in this test was manufactured in March of 1973 (code: 3B).
1971 - 1977
Hexanon - D
f/3.2 - f/22
IR Performance Notes
Since getting some of Konica's telephoto primes I've seen the highest IR scores since starting these tests. I have yet to test this one in the wild, as soon as I do I'll post some results below...