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Wednesday, October 17, 2018

How Does Auto Focus Works In Today's Modern Cameras?




Table of contents for above video discussion :

01:20: Misconception: Everyone Thinks Contrast Detection is Bad
02:04: How Phase Detection Autofocus Works
02:55: How Contrast Detection Autofocus Works
03:50: Ways Contrast Detection Is Better Than Phase Detection
04:45: Ways Phase Detection Is Better Than Contrast Detection
04:54: The Pulsing You See with Contrast Detection
05:43: How Mirrorless Cameras Handle This Differently
06:43: How Camera Makers Decided to Solve These Problems
06:51: Solution #1: Hybrid AF & How It Works
07:30: Solution #2: Dual Pixel CMOS AF & How It’s Different
08:28: Shortcomings of Canon’s Dual Pixel AF
08:47: How the EOS R Addresses These Issues
09:10: Why Dual Pixel Is the Best for Video
09:42: Why the Modern Hybrid AF Systems (Sony) Are My Favourite
10:10: But the Panasonic G9 Is Still Faster because of DFD
10:20: Solution #3: What is Depth from Defocus & How It Works
11:42: The Limitations of Depth from Defocus
12:33: Why Some Lenses Perform Better Than Others
13:00: The Importance of Autofocus Points & Coverage
14:13: Why You Shouldn’t Use Focus & Recompose
15:42: Practical Applications: Which AF System to Use When
17:22: Final Thoughts: Most Autofocus Systems Are Great