Welcome to Michael's blog. Michael Andrew, (aka Michael The Maven) is a freelance producer, photography instructor, tech innovator, and when needed, disaster aid specialist. Disclaimer: Michael is a participant in Bhphoto & Amazon affiliate programs that provides an advertising commission if you purchase through links on this website.
Warning- Lasers Can and Will do Permanent Sensor Damage
This is something I did not know....I was reading in CanonRumors.com forums about a user who was getting horizontal and vertical lines in his images, and it turns out, that especially when recording video or shooting in live view when the sensor is exposed for long periods of time, that direct laser light will damage and ruin your sensor.
You can see it happen in this video from Youtube (it happens at about 3 seconds in):