Sigma C 45 mm f/2.8 DG DN
10. Autofocus
We have some reservations concerning accuracy. While shooting both in the studio and outside we noticed some misses and their percentage reached 5-6%. It's a bit too high for mirrorless standards.
The lens didn't have any front or back focus tendencies for a change. When we took photos from a very close distance we could notice a slight shift of depth of field toward the shorter distances but the object of the photo still remained sharp. That effect could be also caused by curvature of field, not only front-focus.
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| A7R II, f/2.8 |
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