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200-600mm cold temp issues

Paradox.db.3

By Paradox.db.3,
in Sony Alpha Full Frame Lenses

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Paradox.db.3

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I saw another thread describing how the lens doesn't focus consistently at 300mm beyond a certain distance. My issue is temperature related, where once the lens is out in the cold night air for an extended period of time, it will no longer reach focus to infinity. These are nights where the temperature is below freezing. Anyone else noticed this phenomenon?

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