how to calibrate the canon 7d for accurate focus

this video tutorial is to help those of you having focus issues with your DSLR camera's in this video I calibrate a 7d to a 70 - 200 2.8 lens this method can also be used on other lenses as well as other camera makes. Nikon, Olympus, Minolta etc....

Видео how to calibrate the canon 7d for accurate focus канала daveknowshow