Quote Originally Posted by nworth View Post
No. The sheet film Kodachrome was ASA 10 speed. I think it used the K-11 process. It was last seen in the early 1950s. Kodachrome 25 appeared around 1970 and was the first to us process K-14. The Ektachrome from the late 40s and early 50s was ASA 8 and used process E-1.
K25 and K64, using the K-14 process, came out in 1974. Kodachrome II, ASA 25, and Kodachrome X, ASA 64, both using the K-12 process, preceded them. The K-12 process and KII came out I think about 1961. I'm not sure if KX came out at the same time, but I think it was a little later.