Member II
Does it focus in front or behind what you want? Maybe just need calibration? Does your body allow focus fine-tuning per lens? I think it's called micro focus adjustment.I don't like it as much as my Sigma 18x300. I have no issues with the 300. The 150x500 has always been a struggle with focus. even when zoomed in. I read that several folk have experienced the same issue. Sigma now sells a 600mil version that I've read better reviews about. Maybe it's time to upgrade. LOL
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