How To Switch Fast Between AF Points On A Canon DSLR

AF Points On A Canon DSLR
Zone Auto-Focus on the EOS 7D (image courtesy: Andrew Gibson)

The Canon Digital Learning Center posted a short yet comprehensive article about how to set and switch rapidly between AF points and functions. The EOS 5D Mark III is used as example, but the principles apply to every Canon DSLR.

Canon’s engineers have included a plethora of tools in recent EOS cameras to aid the photographer in getting that perfect focus. They have included great features such as more autofocus points, smaller Spot type focus points, three options for expanding the size of an AF point, and even a joystick to control them. While each AF Area setting has its place in different shooting situations, what if you want to use two interchangeably from shot to shot without slowing down?

Read the article at CDLC –>

Crop Factor Issue – Tony Northrup Answers To Critics

Days ago I posted a video by Tony Northrup about crop factor and how some companies are (supposedly) misleading their customers when it comes to crop factor, ISO and aperture, and about how these interact one with the others.

Well, the post started a sometimes overheated discussion with lots of comments. Now Mr. Northrup posted a new video where he answers to critics and adds some corrections to his previous video.

What do you think about this issue?