With autofocus on fast fixes, all sorts of miracles happen. Some models, including native Nikon ones, may not be friends with specific cameras to one degree or another. This Sigma is no exception. However, it is not a fact that it is she who is not friends. My copy of the Sigma on the 610th focuses almost perfectly on the cross points. In very poor lighting, it can fidget a bit, but it still clings very well. But AF at the extreme side points on the 610th is pure soap. However, on the D610 I donβt trust these focus points for a long time and Iβm used to doing without them. M. B. camera alignment will help. It will be necessary to check, I was still going to adjust it.
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