It looks like images of the Canon Rebel T4i and new 40mm f/2.8 lens have leaked a day ahead of schedule.

Again, the Canon Rebel T4i is expected to feature an 18MP CMOS sensor, along with 9 cross-type AF points, full-time AF during video capture and a touchscreen LCD.

The new 40mm f/2.8 pancake is believed to be an EF-mount lens (i.e., will work on full-frame cameras), which seems to be confirmed via the above image that shows the red lens mount alignment dot.  The 52mm filter thread shows us just how compact this lens will be.

Finally, a new 18-135mm IS lens is expected to be announced alongside the T4i, which is shown in the above image.

Expect official details to follow late Thursday night or early Friday morning.  Stay tuned.