About the Author

Arthur Morris is a highly accomplished and inspirational photographer specializing in birds. His writing and his photographs have been published in hundreds of books, magazines, and calendars. Art now photographs, travels, speaks, and teaches extensively in North America. For more information please visit his website at www.birdsasart.com.

Canon’s 45-point Autofocus (AF) System
by Arthur Morris | March 1, 2005

© Arthur MorrisCanon’s professional camera bodies (the EOS 3, 1V, 1D, 1Ds, 1D Mark II and 1Ds Mark II) feature a 45-point Autofocus System. The 45 sensors are arrayed in a roughly elliptical pattern that is, of course, centered in the viewfinder. You can activate all 45 points by first pressing the focus...

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