Quote:
Originally Posted by ving
i know
it's all got to do with seeing and air-pocket size steve... airpockets are on average 150mm. the 100mm scope fits withing an airpocket and a 200mm doesnt, hence the seeing needing to be good...
(read this somewhere...)
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what the hell is this
"air-pocket size" 
I know that my 8" kills both the ED80 & ZS80 on DSO's
would suspect the same for PRO 100