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