Over the last 2 years, I've bought two film Minolta AF SLRs; a Dynax 7 (bought out of curiosity for its film and exposure memory feature) and a 7000 which I bought from our local market because it had an AF 50 f1.7 on it. Looking down a list of used AF lenses I've now come across some described as "Pre-Dynax". Please, can anyone explain what the term means and whether I need to restrict what I buy.

Many thanks.