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For a 70-210 MF zoom, about f3.5 or f4, 3.6 is as good as I can find. Leads to something better would be appreciated. On the face of it, I like the Tamron f3.5 because it can get as close as 0.85 meters. I wonder if something else is lost because of this. Mike. Ted Harris wrote: > > Liklihood is that the Tamrons will be pretty close in performance to the > Nikkor. You should look hard at the MTFs for the Nikkor and see hwo they get > that score. It is a combinationof resolution and accutance .. 3.6 is > acceptable but not spectacular. > Ted Harris > Resource Strategy > Henniker, New Hampshire
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