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Sigma 120-400 Hunting
Just recently noticed that when my Sigma 120-400 is focusing anything above 120 mm it is hunting for a focus area. Have done the usual .. checked that the AF was on the lens as well as my Nikon D300s ..changed focal areas ..it will definitely focus properly at 120mm but starts to act up soon as extend out .. don:dunno -
Re: Sigma 120-400 Hunting
Ziggy .. spent quite a bit of time this after .. light or dark conditions are the same .. subject doesn't make any difference .. keeping at 120 mm focus's as it should .. when I pull it out to a longer length it has all kinds of issue focusing , look carefully with a light source both directions. did not see any…
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