Here is something I posted to the Canon FD list which might interest
Olympus OM lens buffs:
<< I would have thought that this zoom [Canon FD 100-200mm f/5.6] was a
rework of the FL 100-200 f5.6 zoom . . . I look forward to your
comments. >>
[To which I wrote:]
Cute, you got me to look into this.
Minolta had an 8 element pre-set "100-200mm Zoom Rokkor: f5.6" I have
no dates, but this goes back to Minolta SR days. They eventually offered
an 8 element in 5 group 100-200mm f/5.6 MD Zoom Rokkor. Nikon didn't
offer anything. Olympus had a 100-200mm f/5 S Zuiko from 3-83 through
6-89. Pentax had nothing.
So, Olympus played the "me, too" game with a budget line offering.
Generics usually tried to give us something the big guys lacked. Here it
was lens speed: Sigma 100-200mm f/4.5, Vivitar 100-200 f/4.0, Vivitar
100-200 f/5.0. We'll leave it to someone else to determine if Minolta or
Canon was the first to market.
This is an probably an easy lens to design in the f/5 to f/5.6 range.
Thus, it was one of the early ones in zoom lens technology.
Gary Reese
Las Vegas, NV
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