The Nikon Autofocus System - Mike Hagen [PDF] [mobi]

Table of Contents
1 AUTOFOCUS DEFINED
How AF Works
Servos
Multi-CAM Sensor System
Description of Nikon AF Modules
AF Tracking
Three Elements Required for AF
Lens Aperture and Effective Aperture
AF Drive Systems
2 CAMERA AND MENU SETTINGS
External Switches and Buttons
CSM a1–a12
Menus f1–f12
Diopter
AF Shooting Styles and Back-Button AF
How Shutter Speed Impacts Sharpness
How ISO Noise and Long Exposure Noise Impact Sharpness
P, S, A, M vs. Auto Exposure Modes and Impact on AF
How Frame Rate Impacts AF Performance
DX versus FX and Sensor Coverage over the Frame
3 LENSES AND SETTINGS
Lens Barrel Switches
Lens AF Technologies
Using Manual Focus Lenses on New Bodies
VR System and Sharpness
IF Lenses
Parfocal Lenses
Focus Speed
Cable Releases and Remote Triggers
4 FIELD TECHNIQUES, METHODS, AND TIPS
Outdoor Sports: Football
Outdoor Sports: Track and Field
Outdoor Sports: Tennis
Indoor Sports: Basketball
Indoor Events: Dance and Bands
Indoor Sports: Volleyball
Birds in Flight
Landscapes
Portraits: Individuals, Groups, and Weddings
Street
Macro
Aerial Photography
Animals and Wildlife (Safari)
Architecture
Night
Underwater
Adventure Sports: Point of View
Theater, Plays, and Circuses
Panoramas
HDR Images
Tripod Techniques
Event Photography with Flash
Astrophotography
Travel
5 LIVE VIEW AUTOFOCUS
Activating Live View
The Differences between Focus Systems
Best Practices
AF-Servo Modes and AF-Area Modes in Live View
Video AF versus Still Photo AF
Using Zoom Buttons to Achieve Critical Focus
6 ACHIEVING GREAT FOCUS IN VIDEO
Difficulties with AF While Shooting DSLR Video
Pulling Focus
Follow Focus Rigs
Presetting Focus Distance
Using a Crew to Assist with Focus
7 OTHER CONSIDERATIONS
Understanding Focus, Clarity, and Sharpness
Focus in Low-Light Environments
Depth of Field and Sharpness
Depth of Field and Hyperfocal Distance
Focus Stacking
User-Defined Menus for Different Scenarios
Techniques to Improve Sharpness While Handholding
Lens Quality and Impact on Sharpness
How to Check Your DSLR for AF Accuracy
How to Fine-Tune AF
Using Third-Party Lenses on Nikon Cameras

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