Article ID : 00141019 / Last Modified : 22/01/2016

Under what conditions will Phase Detection AF not operate?

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Though Contrast AF can be used, Phase Detection AF will not function under the following conditions.

  • When the subject is not within the Phase Detection AF Area
  • When a Fast Hybrid AF incompatible lens is attached
  • When using a mount adapter
  • When the surrounding is dark
  • When the aperture value is greater than F11 for ILCE-5100 and ILCE-6000 models
  • When the aperture value is greater than F6.3 for NEX-5T, NEX-5R, and NEX-6 models
  • When the aperture value is greater than F8.0 for ILCE-7 and ILCE-7M2 models
  • When shooting a subject without contrast such as a blue sky or a white wall