Image from Canon 1DMk3: Source garibaldiphoto.com
The photo above is the result of a laser being pointed directly into a lens, and hitting the image sensor at the right (or wrong) angle. Though this does not happen all the time, a few cases have surfaced. Usually it is hard to pinpoint the cause, especially when shooting stills, but the result is a horizontal line (or crosshairs in this case) across the exposure. As each case is similar, it has been proven that there is indeed an issue when shooting near powerful lasers, though this is not always the outcome.
It has been reported that using the live view function may increase the chances of this happening. But when shooting normal [stills], the shutter protects the sensor from damage, as long as it isn't open! Please do not take this warning lightly, insure your equipment and know what it covers. *Note, insurance does not cover intentional carnage.
Here is a video clip of a similar mishap on a 5D Mkii:
Though this photo was very helpful to the Photography community, I promise, Christian actually does have more interesting shots.
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