Questions tagged “phase detect af”

Ask the Unique Photo creator community — gear, technique, post-processing and more.

votes

answers

391

Why can mirrorless cameras still show front- or back-focus errors?

autofocus back-focus mirrorless contrast-detect-af phase-detect-af

Photography Stack Exchange contributor

4y ago

votes

answers

280

Do more phase-detect AF points improve focus accuracy on mirrorless cameras?

autofocus mirrorless eye-af phase-detect-af camera-comparison

Photography Stack Exchange contributor

6y ago

votes

answers

363

Why do high-end cameras still use some non-cross-type AF points?

autofocus dslr cross-type-af camera-tech phase-detect-af

Photography Stack Exchange contributor

7y ago

votes

answers

243

How autofocus microadjustment works and what it can correct

autofocus af-microadjustment contrast-detect-af phase-detect-af camera-calibration

Photography Stack Exchange contributor

7y ago

votes

answers

233

Does a faster lens improve autofocus speed or accuracy?

autofocus lenses aperture mirrorless phase-detect-af

Photography Stack Exchange contributor

7y ago

votes

answers

186

Why do the center AF points on my Canon 6D stop focusing after reassembly?

dslr-repair autofocus canon phase-detect-af canon-6d

Photography Stack Exchange contributor

8y ago

votes

answers

191

Why can DSLR autofocus seem faster than mirrorless autofocus?

autofocus dslr mirrorless contrast-detect-af phase-detect-af

Photography Stack Exchange contributor

9y ago

votes

answers

163

Why do some DSLR lenses need fine focus adjustment?

autofocus lenses dslr fine-focus-adjustment phase-detect-af

Photography Stack Exchange contributor

9y ago

votes

answers

191

Why does my Canon T5i focus more accurately in Live View than through the viewfinder?

live-view autofocus contrast-detect-af canon-t5i phase-detect-af

Photography Stack Exchange contributor

10y ago

votes

answers

214

Why is my Canon EOS 750D viewfinder autofocus less accurate than Live View with the 18-55mm kit lens at 18mm?

live-view autofocus canon eos-750d phase-detect-af

Photography Stack Exchange contributor

10y ago

votes

answers

171

Why can autofocus micro-adjustment vary from one lens to another on the same camera body?

autofocus af-microadjustment lenses phase-detect-af camera-calibration

Photography Stack Exchange contributor

11y ago

votes

answers

193

Is phase-detect autofocus much better than contrast-detect for bird photography?

autofocus bird-photography micro-four-thirds contrast-detect-af phase-detect-af

Photography Stack Exchange contributor

12y ago

votes

answers

199

Why do adapted DSLR lenses autofocus more slowly on a Sony A7 than native lenses?

autofocus lens-adapters contrast-detect-af sony-e-mount phase-detect-af

Photography Stack Exchange contributor

12y ago

votes

answers

198

When do Nikon 1 cameras stop using on-sensor PDAF in low light?

autofocus low-light phase-detect-af nikon-1 subject-tracking

Photography Stack Exchange contributor

13y ago

votes

answers

247

Why can phase-detect autofocus fail in low light even when high ISO still allows an exposure?

autofocus low-light iso camera-technology phase-detect-af

Photography Stack Exchange contributor

13y ago

votes

answers

404

Phase-detect vs contrast-detect autofocus: what’s the practical difference?

autofocus video contrast-detect-af focus-tracking phase-detect-af

Photography Stack Exchange contributor

14y ago

votes

answers

171

What does autofocus micro focus adjustment actually calibrate?

autofocus camera-settings micro-focus-adjustment phase-detect-af lens-calibration

Photography Stack Exchange contributor

15y ago

votes

answers

156

Why won’t my Nikon D7000 autofocus on some parts of a scene?

autofocus low-contrast nikon-d7000 focus-points phase-detect-af

Photography Stack Exchange contributor

15y ago

votes

answers

246

What’s the difference between cross-type and single-line autofocus points?

autofocus cross-type-af camera-features phase-detect-af

Photography Stack Exchange contributor

15y ago