Best canon zoom lens for studio portrait

[rajkumar tripathi]

which canon zoom lens is best for studio portrait no matter their f stop and price we only want a lens that provide overall best image quality in terms of skin tone,resolution,color,sharpness,accurate auto focus

[egordon99]

http://photography-on-the.net/forum/showthread.php?t=841261

[queenbee288]

My fave for the studio has been 24-105L. 24-70L would be great too.

[D Thompson]

Zoom - ef24-70L f2.8.