Your Comments Please on Focus Test: EF-L 24-70, EF-L 70-200

[photos4you]

Below is the test picture that I used. Please follow the link (http://www.pbase.com/grupean/focus_test2) to see the actual results.

Thanks for your comments.

[dougj]

The AF sensor needs a single point to focus on, anything else that falls within the AF sensor measurement area may/will cause the focus point to shift. Looking at your images, there seem to be several with overlaps that will have problems.

There were a lot of AF questions about 2 years ago when the 10D was introduced. Canon (and a few Nikon) owners did a lot of AF testing. Here are a few links of value that discuss techniques, etc.

http://www.hkdotnet.com/FrancisPhotogra ... /index.htm
http://www.hkdotnet.com/FrancisPhotogra ... result.htm
http://www.photo.net/learn/focustest/

And on the “precisionâ€