009: All About Autofocus
In todays episode you will learn:
What autofocus does
How your camera sees
What you camera wants to focus on
Your cameras 3 main Auto focus modes
What each mode does
When to use One shot / AF-s / S
When to use AI Focus / AF-a /
When to use AI Servo / AF-c / C
How to change your autofocus modes
Why you should decide what should be in focus and not your camera
How to fine tune your focus
How you can still get the same great focus from the professional cameras, on your entry level gear
How many autofocus points your DSLR has
What a cross type focus point is
How your camera needs contrast to find focus
The difference between vertical and horizontal focus points
When you should be using auto focus zones
Why a lot of pros use just one autofocus point
What the auto focus system looks like in your viewfinder
What focus mode you should be using at family events
What auto focus mode you should be using for a bride walking down the aisle
What Back button focusing is
Why you would want to use back button focus instead of the shutter button
Want to get into the nitty-gritty of your autofocus systems? Check the links below!
The first link describes and demonstrates how your camera decides and determines focus. It is a bit more technical, but gives you some great insight in how to take advantage your focus systems.
The second link is a great illustrative demonstration of how your focus modes operate as you attempt to lock focus on subjects. Both are a great visual demonstration and we hope they help you!
Cross-type and Linear focus points: Link
Autofocus modes (AF-A/AF-S/AF-C or One Shot/AI Focus/ AI Servo): Link