Super Polaris mount - now there's a blast from the past. Haven't heard them mentioned in years. I have half an idea that they became the present GC-5/ EQ-5 mount but I could be wrong (it happens

).
And you developed your own film too. What did you shoot with? I think a lot of people used Ektachrome 400 but hypered Techpan 2415 was the state of the art.